📝 Update SECURITY.md

* The information extracted from Homebrew's JSON command now also
  includes information about linked keg and installations.

* The mapped versions in the App class now contain information about
  the Homebrew installation as well.

* A HomebrewDiagnostics class has been added, which is currently able
  to detect conflicts between the `php` formulae of core and the
  `shivammathur/php` tap (which is currently an issue, see #54)

* Alerts are now displayed as critical if they are truly problematic.

* PhpInstallation was renamed to ActivePhpInstallation, to make room
  for a generic PhpInstallation object which contains cached info.

* Shell.pipe() now returns the contents of standardError if
  standardOutput was empty and there was some data in standardError.
  This makes it easier to debug the output of commands that output to
  standardError. (For example, failed brew commands might.)

.github/FUNDING.yml

@@ -0,0 +1 @@
+custom: ['https://nicoverbruggen.be/sponsor', 'https://paypal.me/nicoverbruggen']

.gitignore

@@ -1,2 +1,5 @@
 phpmon.xcodeproj/project.xcworkspace
 phpmon.xcodeproj/xcuserdata
+PHP Monitor.xcodeproj/project.xcworkspace
+PHP Monitor.xcodeproj/xcuserdata
+.DS_Store

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 Nico Verbruggen
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

PHP Monitor.xcodeproj/project.pbxproj

@@ -0,0 +1,796 @@
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+				MTL_ENABLE_DEBUG_INFO = NO;
+				MTL_FAST_MATH = YES;
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+				SWIFT_OPTIMIZATION_LEVEL = "-O";
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+			name = Release;
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+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
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+			buildSettings = {
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+				DEVELOPMENT_TEAM = 8M54J5J787;
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+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/PHP Monitor.app/Contents/MacOS/PHP Monitor";
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+			name = Debug;
+		};
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+			};
+			name = Release;
+		};
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+
+/* Begin XCConfigurationList section */
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+			repositoryURL = "https://github.com/soffes/HotKey";
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PHP Monitor.xcodeproj/xcshareddata/xcschemes/PHP Monitor.xcscheme

@@ -0,0 +1,89 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1220"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
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+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
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+               BlueprintIdentifier = "C41C1B3222B0097F00E7CF16"
+               BuildableName = "PHP Monitor.app"
+               BlueprintName = "PHP Monitor"
+               ReferencedContainer = "container:PHP Monitor.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
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+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "C4F7807825D7F84B000DBC97"
+               BuildableName = "phpmon-tests.xctest"
+               BlueprintName = "phpmon-tests"
+               ReferencedContainer = "container:PHP Monitor.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      enableGPUValidationMode = "1"
+      allowLocationSimulation = "YES">
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+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "C41C1B3222B0097F00E7CF16"
+            BuildableName = "PHP Monitor.app"
+            BlueprintName = "PHP Monitor"
+            ReferencedContainer = "container:PHP Monitor.xcodeproj">
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+      shouldUseLaunchSchemeArgsEnv = "YES"
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+            BuildableIdentifier = "primary"
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+            BuildableName = "PHP Monitor.app"
+            BlueprintName = "PHP Monitor"
+            ReferencedContainer = "container:PHP Monitor.xcodeproj">
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README.md

@@ -1,3 +1,314 @@
-# phpmon
+# PHP Monitor
 
-phpmon is a macOS utility that runs on your Mac and displays the active PHP version in your status bar. Handy if you're running multiple versions of PHP with Homebrew and wish to see which version is currently linked.
+> If this software has been useful to you, all I ask is that you **please star the repository**, so I know that the software is being used.
+> You can also send me [feedback](https://twitter.com/nicoverbruggen) if the app came in handy.<br>**Thank you!** ⭐️
+
+<img src="./phpmon/Assets.xcassets/AppIcon.appiconset/icon_128x128@2x.png" alt="phpmon icon" width="128px" />
+
+**PHP Monitor** (or phpmon) is a lightweight macOS utility app that runs on your Mac and displays the active PHP version in your status bar. It's tightly integrated with [Laravel Valet](https://github.com/laravel/valet), so you need to have it set up before you can use this.
+
+<img src="./docs/screenshot34.png" width="412px" alt="phpmon screenshot (menu bar app)"/>
+
+<small><i>Screenshot: A menu showing all of the functionality of PHP Monitor.</i></small>
+
+It's super convenient to switch between different versions of PHP. You'll even get notifications (only if you choose to opt-in, of course)!
+
+<img src="./docs/notification.png" width="370px" alt="phpmon screenshot (notification)"/>
+
+PHP Monitor also gives you quick access to various useful functionality (like accessing configuration files, restarting services, and more).
+
+## 🖥 System requirements
+
+PHP Monitor is a universal application that runs on Apple Silicon **and** Intel-based Macs.
+
+* macOS 10.14 Mojave or higher (works on macOS 11 Big Sur and macOS 12 Monterey)
+* Homebrew is installed in `/usr/local/homebrew` or `/opt/homebrew`
+* The brew formula `php` has to be installed (which version is detected)
+* Laravel Valet 2.13 or higher
+
+_You may need to update your Valet installation to keep everything working if a major version update of PHP has been released._
+
+## 🚀 How to install
+
+You can install via Homebrew (recommended), or may download the latest release on GitHub.
+
+To install via Homebrew, run:
+
+	brew tap nicoverbruggen/homebrew-cask
+	brew install --cask phpmon
+
+To upgrade your existing installation, run:
+
+	brew upgrade phpmon
+
+_The app is signed and notarized, meaning all you have to do is approve its first launch._
+
+## 👨‍💻 Why build this?
+
+I wanted to be able to **see at a glance** which version of PHP was linked, and handle dealing with Laravel Valet in a simple app without having to deal with the terminal every time. 
+
+Initially, I had an Alfred workflow for this — but it has now been replaced with this utility, which also does a good job at displaying additional information at a glance, like the current PHP version, memory limits, and more.
+
+## 🤬 The app won't start?!
+
+PHP Monitor performs some integrity checks to ensure a good experience when using the app. You'll get a message telling you that PHP Monitor won't work correctly in a variety of scenarios. 
+
+**Follow instructions as specified in the alert in order to resolve any issues.**
+
+## 🙋‍♂️ FAQ & Troubleshooting
+
+> If you are having issues, the first thing you should be doing is installing the latest version of PHP Monitor _and_ Laravel Valet. This can resolve a variety of issues. To upgrade Valet, run `composer global update`. Don't forget to run `valet install` after upgrading.
+
+If you're still having issues, here's a few common questions & answers, as well as issues and solutions:
+
+<details>
+<summary><strong>Which versions of PHP are supported?</strong></summary>
+
+<ul>
+<li>PHP 5.6</li>
+<li>PHP 7.0</li>
+<li>PHP 7.1</li>
+<li>PHP 7.2</li>
+<li>PHP 7.3</li>
+<li>PHP 7.4</li>
+<li>PHP 8.0</li>
+<li>PHP 8.1</li>
+<li>PHP 8.2 (experimental)</li>
+</ul>
+
+For more details, consult the [constants file](https://github.com/nicoverbruggen/phpmon/blob/main/phpmon/Constants.swift#L16) file to see which versions are supported.
+
+</details>
+
+<details>
+<summary><strong>I want PHP Monitor to start up when I boot my Mac!</strong></summary>
+
+You can do this by dragging *PHP Monitor.app* into the **Login Items** section in **System Preferences > Users & Groups** for your account.
+
+Super convenient!
+</details>
+
+<details>
+<summary><strong>I want to set up PHP Monitor from scratch! I don't have Homebrew installed either, where do I begin?</strong></summary>
+
+If you want to set up your computer for the very first time with PHP Monitor, here's how I do it:
+
+Install [Homebrew](https://brew.sh) first.
+
+Install PHP, composer, add to path:
+
+    brew install php
+    brew install composer
+    nano .zshrc
+
+Make sure the following line is not in the comments:
+
+    # on an Intel Mac
+    export PATH=$HOME/bin:/usr/local/bin:$PATH
+
+If you're on an Apple Silicon-based Mac, you'll need to add: 
+
+    # on an M1 Mac
+    export PATH=$HOME/bin:/opt/homebrew/bin:$PATH
+
+and add the following to your .zshrc:
+
+    export PATH=$HOME/bin:~/.composer/vendor/bin:$PATH
+
+Make sure PHP is linked correctly:
+
+    which php
+
+should return: `/usr/local/bin/php` (or `/opt/homebrew/bin/php`)
+
+    composer global require laravel/valet
+    valet install
+
+This should install `dnsmasq` and set up Valet. Great, almost there!
+
+    valet trust
+
+Finally, run PHP Monitor. Since the app is notarized and signed with a developer ID, it should work.
+</details>
+
+<details>
+<summary><strong>PHP Monitor tells me `php` is not installed...</strong></summary>
+
+Try installing again using `brew install php`. 
+
+This should resolve the issue! If that does not fix the issue, run `brew link php --force`. (Afterwards, you may need to restart your terminal to make sure the new linked version is detected.)
+
+	brew install php
+	brew link php --force
+	
+</details>
+
+<details>
+<summary><strong>Valet sites won't load. I'm getting a 502 Bad Gateway error!</strong></summary>
+
+If you're visiting your `.test` domain, and you're getting a 502 (Bad Gateway) after switching to a different PHP version, you're dealing with a common issue.
+
+This problem is usually resolved by upgrading Valet and running `valet install` again.
+
+	composer global update
+	valet install
+
+</details>
+
+<details>
+<summary><strong>PHP Monitor tells me my installation is broken, but I don't see why!</strong></summary>
+
+PHP Monitor tells you that a PHP installation is broken, if the configuration is causing warnings or errors when determining the version number.
+
+Since PHP Monitor changes the linked version via Homebrew, both Valet *and* your terminal (CLI) should use the new PHP version.
+
+However, this might not be the case on your system. You _might_ have a specific version of PHP linked if that is not the case. In that case, you may need to change your `.bashrc` or `.zshrc` file where the PATH is set (depending on the terminal you use).
+
+You can find out which version of PHP is being used by running `which php`.
+
+You can find out what exactly is causing the issue by running a command. On Intel, you can run (replace `7.4` with the version that is broken):
+
+```
+/usr/local/opt/php@7.4/bin/php -r "print phpversion();"
+```
+
+On Apple Silicon, you can run (replace `7.4` with the version that is broken):
+
+```
+/opt/homebrew/opt/php@7.4/bin/php -r "print phpversion();"
+```
+
+You should see an error or a warning here in the output. 
+
+Usually this is a duplicate extension declaration causing issues, or an extension that couldn't be loaded. You'll have to solve that issue yourself (usually by removing the offending extension or reinstalling).
+
+</details>
+	
+<details>
+<summary><strong>One of the limits (memory limit, max POST size, max upload size) shows an exclamation mark!</strong></summary>
+
+The value you provided in your INI file is invalid. If that is the case, PHP will attempt to parse your value as bytes, which is usually unintended. (`1GB` will resolve to merely a few bytes, and all of your applications will run out of memory!)
+
+You must a provide a value like so: `1024K`, `256M`, `1G`. Alternatively, `-1` is also allowed, or just an integer (which will result in N amount of bytes being the limit).
+
+**Example**: Trying to use `1GB` as the memory limit, for example, will result in this exclamation mark. The correct way to set a 1GB limit is by using `1G` as the value. (Note: The displayed value will append `B` for clarity, so if you set `1G`, the value reported by PHP Monitor will be 1 GB.)
+
+</details>
+
+<details>
+<summary><strong>One of my commented out extensions is not being detected...</strong></summary>
+
+The app searches in the relevant `.ini` files for a specific pattern. For regular extensions:
+
+* `extension="*.so"`
+* `; extension="*.so"`
+
+For Zend extensions:
+
+* `zend_extension="*.so"`
+* `; zend_extension="*.so"`
+
+The `*` is a wildcard and the name of the extension. If you've commented out the extension, make sure you've commented it out with a semicolon (;) and a single space after the semicolon for PHP Monitor to detect it.
+
+Since v3.4 all of the loaded .ini files are sourced to determine which extensions are enabled.
+
+</details>
+
+<details>
+<summary><strong>I've got two Homebrew installations on my Apple Silicon Mac, can I choose which installation to use with PHP Monitor?</strong></summary>
+
+Not at this time, no. PHP Monitor will prefer the `/opt/homebrew` installation over the classic installation directory.
+
+</details>
+
+<details>
+<summary><strong>Why is the app doing network requests?</strong></summary>
+
+It's Homebrew. I can't prevent `brew` from doing things via the network when I invoke it.
+
+PHP Monitor itself doesn't do any network requests. Feel free to check the source code or intercept the traffic, if you don't believe me.
+
+</details>
+
+<details>
+<summary><strong>After running PHP Monitor, Homebrew sometimes has issues with `brew upgrade`!</strong></summary>
+
+This is a security feature of Brew. When you start a service as an administrator, the root user becomes the owner of relevant binaries. 
+
+You will need to manually clean up those folders yourself using `rm -rf` (or by manually removing those folders via Finder).
+
+</details>
+
+<details>
+<summary><strong>The app has crashed!</strong></summary>
+
+Please get in touch and open an issue. PHP Monitor shouldn't crash :)
+
+</details>
+
+## 📝 Having another issue?
+
+I did not include any tracking or analytics software, so if you encounter issues, let me know [via an issue](https://github.com/nicoverbruggen/phpmon/issues/new).
+
+## 💵 Support me?
+
+PHP Monitor is available entirely **free of charge**, but if you can afford it a donation helps keep the project alive and the app maintained.
+
+You can find a [sponsor](https://nicoverbruggen.be/sponsor) link at the top of this repo or you could click the link here to be taken to my sponsorship page.
+
+Donations really help with the Apple Developer Program cost, and keep me motivated to keep working on PHP Monitor outside of work hours (I do have a day job!).
+
+## 😎 Acknowledgements
+
+While I did make this application during my own free time, I have been lucky enough to do various experiments during work hours at [DIVE](https://dive.be). I'd also like to shout out the following folks:
+
+* My colleagues at [DIVE](https://dive.be)
+* The [Homebrew](https://brew.sh/) team who maintain
+* The [developers & maintainers of Valet](https://github.com/laravel/valet/graphs/contributors)
+* Everyone in the Laravel community who shared the app (thanks!)
+* Various folks who [reached](https://twitter.com/stauffermatt) [out](https://twitter.com/marcelpociot)
+* Everyone who left feedback via issues
+
+Thank you very much for your contributions, kind words and support.
+
+## 🚜 How it works
+
+### Loading info about PHP in the background
+
+This utility runs `php-config --version` in the background periodically. It also checks your `.ini` files for extensions and loads more information about your limits (memory limit, POST limit, upload limit). 
+
+In order to save power, this only happens once every 60 seconds.
+
+### Switching PHP versions
+
+This utility will detect which PHP versions you have installed via Homebrew, and then allows you to switch between them.
+
+This means:
+
+- You have at least the latest version of PHP installed (`php`)
+- You have installed Laravel Valet (`which valet` returns `/usr/local/bin/valet`)
+- You ran `valet trust`, which means Valet commands can be run without using sudo
+
+The utility runs the following commands:
+
+- Unlink all detected PHP versions & stop the respective `php@X.X` services
+- Link the desired version of PHP, and start the associated service
+
+### Want to know more?
+
+If you want to know more about how this works, I recommend you check out the source code. 
+
+This app isn't very complicated after all. In the end, this just (conveniently) executes some shell commands.
+
+## 🔧 Build instructions
+
+<img src="./docs/build.png" width="404px" alt="build button in Xcode"/>
+
+If you'd like to build PHP Monitor yourself, you need:
+
+* Xcode (usually the latest version)
+* The contents of this repository
+
+Once you have downloaded this repository, open `PHP Monitor.xcodeproj`, and you should be able to immediately build the app for your system by pressing Cmd-R. This will create a debug build. (If Xcode complains about code signing, you can turn it off.)
+
+If you'd like to create a production build, choose "Any Mac" as the target and select Product > Archive.

RELEASE.md

@@ -0,0 +1,13 @@
+# Release Procedure
+
+1. Merge into `main`
+2. Create tag
+3. Add changes to changelog + update security document
+4. Archive
+5. Notarize and prepare for own distribution
+6. After notarization, export .app
+7. Create zipped version
+8. Calculate SHA256: `openssl dgst -sha256 phpmon.zip`
+9. Upload to GitHub and add to tagged release
+10. Update Cask with new version + hash
+11. Check new version can be installed via Cask

SECURITY.md

@@ -0,0 +1,20 @@
+# Security Policy
+
+## Supported versions
+
+Generally speaking, only the latest version of **PHP Monitor** is supported:
+
+| Version | Apple silicon | Supported          | Supported macOS | Deployment Target | Detected PHP Versions |
+| ------- | ------------- | ------------------ | ----- | ----- | ----- |
+| 4.0       | ✅ Universal binary | ✅ | Big Sur (11.0) and Monterey (12.0) | macOS 10.14+ | PHP 5.6—PHP 8.2 |
+| 3.5       | ✅ Universal binary | ✅ | Big Sur (11.0) and Monterey (12.0) | macOS 10.14+ | PHP 5.6—PHP 8.2 |
+| 3.5       | ✅ Universal binary | ✅ | Big Sur (11.0) and Monterey (12.0) | macOS 10.14+ | PHP 5.6—PHP 8.2 |
+| 3.0—3.4     | ✅ Universal binary | ✅ | Big Sur (11.0) | macOS 10.14+ | PHP 5.6—PHP 8.1 |
+| 2.6     | ✅ Universal binary | ❌ | Big Sur (11.0) | macOS 10.14+ | PHP 5.6—PHP 8.0 |
+| 2.5     | ✴️ Universal binary<br/>`/usr/local/homebrew` installations only | ❌ | Big Sur (11.0)<br/>Catalina (10.15) | macOS 10.14+ | not applicable |
+| 2.4     | ✴️ Universal binary<br/>`/usr/local/homebrew` installations only | ❌ | Big Sur (11.0)<br/>Catalina (10.15) | macOS 10.14+ | not applicable |
+| < 2.4   | ❌ Intel binary<br/>`/usr/local/homebrew` installations only | ❌ | Catalina (10.15) | macOS 10.14+ | not applicable |
+
+## Reporting a vulnerability
+
+Contact me (Nico Verbruggen) at the email address used for the commits in the repository. Please include "PHP Monitor" in the subject.

assets/icon.svg

@@ -0,0 +1 @@
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assets/menubar.svg

@@ -0,0 +1 @@
+<svg width="22" height="22" xmlns="http://www.w3.org/2000/svg"><path d="M8.975 8.375H8.3V6.844a.223.223 0 00-.225-.219h-.45a.223.223 0 00-.225.219V9.03c0 .12.101.219.225.219h1.35a.223.223 0 00.225-.219v-.437a.223.223 0 00-.225-.219zm10.575 5.25h-.45v-2.956c0-.347-.143-.68-.397-.927l-2.81-2.731a1.37 1.37 0 00-.953-.386H13.7V5.312C13.7 4.588 13.095 4 12.35 4h-9C2.605 4 2 4.588 2 5.313v8.75c0 .724.605 1.312 1.35 1.312h.45C3.8 16.825 5.01 18 6.5 18c1.49 0 2.7-1.176 2.7-2.625h3.6c0 1.45 1.21 2.625 2.7 2.625 1.49 0 2.7-1.176 2.7-2.625h1.35c.247 0 .45-.197.45-.438v-.874a.445.445 0 00-.45-.438zM6.5 16.688c-.745 0-1.35-.588-1.35-1.313s.605-1.313 1.35-1.313c.745 0 1.35.588 1.35 1.313s-.605 1.313-1.35 1.313zm1.35-4.813c-1.74 0-3.15-1.37-3.15-3.063C4.7 7.12 6.11 5.75 7.85 5.75S11 7.12 11 8.813c0 1.692-1.41 3.062-3.15 3.062zm7.65 4.813c-.745 0-1.35-.588-1.35-1.313s.605-1.313 1.35-1.313c.745 0 1.35.588 1.35 1.313s-.605 1.313-1.35 1.313zM17.75 11H13.7V7.937h1.24l2.81 2.732V11z" fill="#000" fill-rule="nonzero"/></svg>

phpmon-tests/BrewJsonParserTest.swift

@@ -0,0 +1,31 @@
+//
+//  BrewJsonParserTest.swift
+//  phpmon-tests
+//
+//  Created by Nico Verbruggen on 14/02/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import XCTest
+
+class BrewJsonParserTest: XCTestCase {
+
+    static var jsonBrewFile: URL {
+        return Bundle(for: Self.self).url(forResource: "brew", withExtension: "json")!
+    }
+
+    func testCanLoadExtension() throws {
+        let json = try? String(contentsOf: Self.jsonBrewFile, encoding: .utf8)
+        let package = try! JSONDecoder().decode(
+            [HomebrewPackage].self, from: json!.data(using: .utf8)!
+        ).first!
+        
+        XCTAssertEqual(package.name, "php")
+        XCTAssertEqual(package.full_name, "php")
+        XCTAssertEqual(package.aliases.first!, "php@8.0")
+        XCTAssertEqual(package.installed.contains(where: { installed in
+            installed.version.starts(with: "8.0")
+        }), true)
+    }
+
+}

phpmon-tests/CommandTest.swift

@@ -0,0 +1,25 @@
+//
+//  CommandTest.swift
+//  phpmon-tests
+//
+//  Created by Nico Verbruggen on 13/02/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import XCTest
+
+class CommandTest: XCTestCase {
+
+    func testDeterminePhpVersion() {
+        let version = Command.execute(
+            path: Paths.php,
+            arguments: ["-v"]
+        )
+        
+        XCTAssert(version.contains("(cli)"))
+        XCTAssert(version.contains("NTS"))
+        XCTAssert(version.contains("built"))
+        XCTAssert(version.contains("Zend"))
+    }
+    
+}

phpmon-tests/ExtensionParserTest.swift

@@ -0,0 +1,72 @@
+//
+//  ExtensionParserTest.swift
+//  phpmon-tests
+//
+//  Created by Nico Verbruggen on 13/02/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import XCTest
+
+class ExtensionParserTest: XCTestCase {
+    
+    static var phpIniFileUrl: URL {
+        return Bundle(for: Self.self).url(forResource: "php", withExtension: "ini")!
+    }
+
+    func testCanLoadExtension() throws {
+        let extensions = PhpExtension.load(from: Self.phpIniFileUrl)
+        
+        XCTAssertGreaterThan(extensions.count, 0)
+    }
+    
+    func testExtensionNameIsCorrect() throws {
+        let extensions = PhpExtension.load(from: Self.phpIniFileUrl)
+        
+        let extensionNames = extensions.map { (ext) -> String in
+            return ext.name
+        }
+        
+        // These 6 should be found
+        XCTAssertTrue(extensionNames.contains("xdebug"))
+        XCTAssertTrue(extensionNames.contains("imagick"))
+        XCTAssertTrue(extensionNames.contains("sodium-next"))
+        XCTAssertTrue(extensionNames.contains("opcache"))
+        XCTAssertTrue(extensionNames.contains("yaml"))
+        XCTAssertTrue(extensionNames.contains("custom"))
+        
+        XCTAssertFalse(extensionNames.contains("fake"))
+        XCTAssertFalse(extensionNames.contains("nice"))
+    }
+    
+    func testExtensionStatusIsCorrect() throws {
+        let extensions = PhpExtension.load(from: Self.phpIniFileUrl)
+        
+        // xdebug should be enabled
+        XCTAssertEqual(extensions[0].enabled, true)
+        
+        // imagick should be disabled
+        XCTAssertEqual(extensions[1].enabled, false)
+    }
+    
+    func testToggleWorksAsExpected() throws {
+        let destination = Utility.copyToTemporaryFile(resourceName: "php", fileExtension: "ini")!
+        let extensions = PhpExtension.load(from: destination)
+        XCTAssertEqual(extensions.count, 6)
+        
+        // Try to disable xdebug (should be detected first)!
+        let xdebug = extensions.first!
+        XCTAssertTrue(xdebug.name == "xdebug")
+        XCTAssertEqual(xdebug.enabled, true)
+        xdebug.toggle()
+        XCTAssertEqual(xdebug.enabled, false)
+        
+        // Check if the file contains the appropriate data
+        let file = try! String(contentsOf: destination, encoding: .utf8)
+        XCTAssertTrue(file.contains("; zend_extension=\"xdebug.so\""))
+        
+        // Make sure if we load the data again, it's disabled
+        XCTAssertEqual(PhpExtension.load(from: destination).first!.enabled, false)
+    }
+
+}

phpmon-tests/Info.plist

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

phpmon-tests/PhpVersionDetectionTest.swift

@@ -0,0 +1,30 @@
+//
+//  PhpVersionDetectionTest.swift
+//  phpmon-tests
+//
+//  Created by Nico Verbruggen on 01/04/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import XCTest
+
+class PhpVersionDetectionTest: XCTestCase {
+
+    func testCanDetectValidPhpVersions() throws {
+        let outcome = Actions.extractPhpVersions(from: [
+            "", // empty lines should be omitted
+            "php@8.0",
+            "php@8.0", // should only be detected once
+            "meta-php@8.0", // should be omitted, invalid
+            "php@8.0-coolio", // should be omitted, invalid
+            "php@7.0",
+            "",
+            "unrelatedphp@1.0", // should be omitted, invalid
+            "php@5.6",
+            "php@5.4" // should be omitted, not supported
+        ], checkBinaries: false)
+        
+        XCTAssertEqual(outcome, ["8.0", "7.0", "5.6"])
+    }
+
+}

phpmon-tests/Utility.swift

@@ -0,0 +1,28 @@
+//
+//  Utility.swift
+//  phpmon-tests
+//
+//  Created by Nico Verbruggen on 14/02/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+
+class Utility {
+    
+    public static func copyToTemporaryFile(resourceName: String, fileExtension: String) -> URL? {
+        if let bundleURL = Bundle(for: Self.self).url(forResource: resourceName, withExtension: fileExtension) {
+            let tempDirectoryURL = NSURL.fileURL(withPath: NSTemporaryDirectory(), isDirectory: true)
+            let targetURL = tempDirectoryURL.appendingPathComponent("\(UUID().uuidString).\(fileExtension)")
+            
+            do {
+                try FileManager.default.copyItem(at: bundleURL, to: targetURL)
+                return targetURL
+            } catch let error {
+                print("Unable to copy file: \(error)")
+            }
+        }
+        
+        return nil
+    }
+}

phpmon-tests/brew.json

@@ -0,0 +1,332 @@
+[
+    {
+        "name":"php",
+        "full_name":"php",
+        "tap":"homebrew/core",
+        "oldname":null,
+        "aliases":[
+            "php@8.0"
+        ],
+        "versioned_formulae":[
+            "php@7.4",
+            "php@7.3",
+            "php@7.2"
+        ],
+        "desc":"General-purpose scripting language",
+        "license":"PHP-3.01",
+        "homepage":"https://www.php.net/",
+        "versions":{
+            "stable":"8.0.2",
+            "head":"HEAD",
+            "bottle":true
+        },
+        "urls":{
+            "stable":{
+                "url":"https://www.php.net/distributions/php-8.0.2.tar.xz",
+                "tag":null,
+                "revision":null
+            }
+        },
+        "revision":0,
+        "version_scheme":0,
+        "bottle":{
+            "stable":{
+                "rebuild":0,
+                "cellar":"/opt/homebrew/Cellar",
+                "prefix":"/opt/homebrew",
+                "root_url":"https://homebrew.bintray.com/bottles",
+                "files":{
+                    "arm64_big_sur":{
+                        "url":"https://homebrew.bintray.com/bottles/php-8.0.2.arm64_big_sur.bottle.tar.gz",
+                        "sha256":"cbefa1db73d08b9af4593a44512b8d727e43033ee8517736bae5f16315501b12"
+                    },
+                    "big_sur":{
+                        "url":"https://homebrew.bintray.com/bottles/php-8.0.2.big_sur.bottle.tar.gz",
+                        "sha256":"6857142e12254b15da4e74c2986dd24faca57dac8d467b04621db349e277dd63"
+                    },
+                    "catalina":{
+                        "url":"https://homebrew.bintray.com/bottles/php-8.0.2.catalina.bottle.tar.gz",
+                        "sha256":"b651611134c18f93fdf121a4277b51b197a896a19ccb8020289b4e19e0638349"
+                    },
+                    "mojave":{
+                        "url":"https://homebrew.bintray.com/bottles/php-8.0.2.mojave.bottle.tar.gz",
+                        "sha256":"9583a51fcc6f804aadbb14e18f770d4fb4973deaed6ddc4770342e62974ffbca"
+                    }
+                }
+            }
+        },
+        "keg_only":false,
+        "bottle_disabled":false,
+        "options":[
+            
+        ],
+        "build_dependencies":[
+            "httpd",
+            "pkg-config"
+        ],
+        "dependencies":[
+            "apr",
+            "apr-util",
+            "argon2",
+            "aspell",
+            "autoconf",
+            "curl",
+            "freetds",
+            "gd",
+            "gettext",
+            "glib",
+            "gmp",
+            "icu4c",
+            "krb5",
+            "libffi",
+            "libpq",
+            "libsodium",
+            "libzip",
+            "oniguruma",
+            "openldap",
+            "openssl@1.1",
+            "pcre2",
+            "sqlite",
+            "tidy-html5",
+            "unixodbc"
+        ],
+        "recommended_dependencies":[
+            
+        ],
+        "optional_dependencies":[
+            
+        ],
+        "uses_from_macos":[
+            {
+                "xz":"build"
+            },
+            "bzip2",
+            "libedit",
+            "libxml2",
+            "libxslt",
+            "zlib"
+        ],
+        "requirements":[
+            
+        ],
+        "conflicts_with":[
+            
+        ],
+        "caveats":"To enable PHP in Apache add the following to httpd.conf and restart Apache:\n    LoadModule php_module $(brew --prefix)/opt/php/lib/httpd/modules/libphp.so\n\n    <FilesMatch \\.php$>\n        SetHandler application/x-httpd-php\n    </FilesMatch>\n\nFinally, check DirectoryIndex includes index.php\n    DirectoryIndex index.php index.html\n\nThe php.ini and php-fpm.ini file can be found in:\n    $(brew --prefix)/etc/php/8.0/\n",
+        "installed":[
+            {
+                "version":"8.0.2",
+                "used_options":[
+                    
+                ],
+                "built_as_bottle":true,
+                "poured_from_bottle":true,
+                "runtime_dependencies":[
+                    {
+                        "full_name":"apr",
+                        "version":"1.7.0"
+                    },
+                    {
+                        "full_name":"openssl@1.1",
+                        "version":"1.1.1i"
+                    },
+                    {
+                        "full_name":"apr-util",
+                        "version":"1.6.1"
+                    },
+                    {
+                        "full_name":"argon2",
+                        "version":"20190702"
+                    },
+                    {
+                        "full_name":"aspell",
+                        "version":"0.60.8"
+                    },
+                    {
+                        "full_name":"autoconf",
+                        "version":"2.69"
+                    },
+                    {
+                        "full_name":"brotli",
+                        "version":"1.0.9"
+                    },
+                    {
+                        "full_name":"gettext",
+                        "version":"0.21"
+                    },
+                    {
+                        "full_name":"libunistring",
+                        "version":"0.9.10"
+                    },
+                    {
+                        "full_name":"libidn2",
+                        "version":"2.3.0"
+                    },
+                    {
+                        "full_name":"libmetalink",
+                        "version":"0.1.3"
+                    },
+                    {
+                        "full_name":"libssh2",
+                        "version":"1.9.0"
+                    },
+                    {
+                        "full_name":"c-ares",
+                        "version":"1.17.1"
+                    },
+                    {
+                        "full_name":"jemalloc",
+                        "version":"5.2.1"
+                    },
+                    {
+                        "full_name":"libev",
+                        "version":"4.33"
+                    },
+                    {
+                        "full_name":"nghttp2",
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phpmon.xcodeproj/project.xcworkspace/contents.xcworkspacedata

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-   </FileRef>
-</Workspace>

phpmon.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>IDEDidComputeMac32BitWarning</key>
-	<true/>
-</dict>
-</plist>

phpmon/AppDelegate.swift

@@ -1,131 +1,81 @@
 //
 //  AppDelegate.swift
-//  phpmon
+//  PHP Monitor
 //
-//  Created by Nico Verbruggen on 11/06/2019.
-//  Copyright © 2019 Nico Verbruggen. All rights reserved.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
 //
 
 import Cocoa
+import UserNotifications
 
 @NSApplicationMain
-class AppDelegate: NSObject, NSApplicationDelegate {
+class AppDelegate: NSObject, NSApplicationDelegate, NSUserNotificationCenterDelegate {
     
-    let statusItem = NSStatusBar.system.statusItem(
-        withLength: 32
-    )
+    // MARK: - Variables
     
-    var timer: Timer?
-    var version: PHPVersion? = nil
-    var availablePhpVersions : [String] = []
-    var busy: Bool = false
-
+    /**
+     The Shell singleton that keeps track of the history of all
+     (invoked by PHP Monitor) shell commands. It is used to
+     invoke all commands in this application.
+     */
+    let sharedShell: Shell
+    
+    /**
+     The App singleton contains information about the state of
+     the application and global variables.
+     */
+    let state: App
+    
+    /**
+     The MainMenu singleton is responsible for rendering the
+     menu bar item and its menu, as well as its actions.
+     */
+    let menu: MainMenu
+    
+    /**
+     The paths singleton that determines where Homebrew is installed,
+     and where to look for binaries.
+     */
+    let paths: Paths
+    
+    // MARK: - Initializer
+    
+    /**
+     When the application initializes, create all singletons.
+     */
+    override init() {
+        self.sharedShell = Shell.user
+        self.state = App.shared
+        self.menu = MainMenu.shared
+        self.paths = Paths.shared
+        super.init()
+    }
+    
+    // MARK: - Lifecycle
+    
+    /**
+     When the application has finished launching, we'll want to set up
+     the user notification center delegate, and kickoff the menu
+     startup procedure.
+     */
     func applicationDidFinishLaunching(_ aNotification: Notification) {
-        // Start with the icon
-        self.setStatusBar(image: NSImage(named: NSImage.Name("StatusBarIcon"))!)
-        // Perform environment boot checks
-         DispatchQueue.global(qos: .userInitiated).async { [unowned self] in
-            Environment.performBootChecks()
-            self.availablePhpVersions = Services.detectPhpVersions()
-            print("The following PHP versions were detected:")
-            print(self.availablePhpVersions)
-            self.updatePhpVersionInStatusBar()
-            // Schedule a request to fetch the PHP version every 15 seconds
-            Timer.scheduledTimer(
-                timeInterval: 15,
-                target: self,
-                selector: #selector(self.updatePhpVersionInStatusBar),
-                userInfo: nil,
-                repeats: true
-            )
-        }
+        NSUserNotificationCenter.default.delegate = self
+        self.menu.startup()
     }
     
-    func setStatusBarImage(version: String) {
-        self.setStatusBar(image: ImageGenerator.generateImageForStatusBar(width: 32.0, text: version))
+    // MARK: - NSUserNotificationCenterDelegate
+    
+    /**
+     When a notification is sent, the delegate of the notification center
+     is asked whether the notification should be presented or not. Since
+     the user can now disable notifications per application since macOS
+     Catalina, any and all notifications should be displayed.
+     */
+    func userNotificationCenter(
+        _ center: NSUserNotificationCenter,
+        shouldPresent notification: NSUserNotification
+    ) -> Bool {
+        return true
     }
     
-    func setStatusBar(image: NSImage) {
-        if let button = statusItem.button {
-            image.isTemplate = true
-            button.image = image
-        }
-    }
-    
-    func applicationWillTerminate(_ aNotification: Notification) {
-        // Insert code here to tear down your application
-    }
-    
-    @objc func updatePhpVersionInStatusBar() {
-        self.version = PHPVersion()
-        if (self.busy) {
-            DispatchQueue.main.async {
-                self.setStatusBar(image: NSImage(named: NSImage.Name("StatusBarIcon"))!)
-            }
-        } else {
-            DispatchQueue.main.async {
-                self.setStatusBarImage(version: self.version!.short)
-            }
-        }
-        self.updateMenu()
-    }
-    
-    func updateMenu() {
-        DispatchQueue.global(qos: .userInitiated).async { [unowned self] in
-            let menu = NSMenu()
-            var string = "We are not sure what version of PHP you are running."
-            if (self.version != nil) {
-                string = "You are running PHP \(self.version!.long)"
-            }
-            menu.addItem(NSMenuItem(title: string, action: nil, keyEquivalent: ""))
-            menu.addItem(NSMenuItem.separator())
-            if (self.availablePhpVersions.count > 0 && !self.busy) {
-                for index in (0..<self.availablePhpVersions.count) {
-                    let version = self.availablePhpVersions[index]
-                    let action = #selector(self.switchToPhpVersion(sender:))
-                    let menuItem = NSMenuItem(title: "Switch to PHP \(version)", action: (version == self.version?.short) ? nil : action, keyEquivalent: "\(index + 1)")
-                    menuItem.tag = index
-                    menu.addItem(menuItem)
-                }
-                menu.addItem(NSMenuItem.separator())
-            }
-            if (self.busy) {
-                menu.addItem(NSMenuItem(title: "Switching PHP versions...", action: nil, keyEquivalent: ""))
-                menu.addItem(NSMenuItem.separator())
-            }
-            menu.addItem(NSMenuItem(title: "About phpmon", action: #selector(self.openAbout), keyEquivalent: ""))
-            menu.addItem(NSMenuItem(title: "Quit phpmon", action: #selector(NSApplication.terminate(_:)), keyEquivalent: "q"))
-            DispatchQueue.main.async {
-                self.statusItem.menu = menu
-            }
-        }
-    }
-    
-    @objc public func openAbout() {
-        NSApplication.shared.activate(ignoringOtherApps: true)
-        NSApplication.shared.orderFrontStandardAboutPanel()
-    }
-    
-    @objc public func switchToPhpVersion(sender: AnyObject) {
-        self.setStatusBar(image: NSImage(named: NSImage.Name("StatusBarIcon"))!)
-        let index = sender.tag!
-        let version = self.availablePhpVersions[index]
-        self.busy = true
-        DispatchQueue.global(qos: .userInitiated).async { [unowned self] in
-            // Update the PHP version in the status bar
-            self.updatePhpVersionInStatusBar()
-            // Update the menu
-            self.updateMenu()
-            // Switch the PHP version
-            Services.switchToPhpVersion(version: version, availableVersions: self.availablePhpVersions)
-            // Mark as no longer busy
-            self.busy = false
-            // Perform UI updates on main thread
-            DispatchQueue.main.async {
-                self.updatePhpVersionInStatusBar()
-                self.updateMenu()
-            }
-        }
-    }
 }
-

phpmon/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -1,68 +1,68 @@
 {
   "images" : [
     {
-      "size" : "16x16",
-      "idiom" : "mac",
       "filename" : "icon_16x16.png",
-      "scale" : "1x"
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "16x16"
     },
     {
-      "size" : "16x16",
-      "idiom" : "mac",
       "filename" : "icon_16x16@2x.png",
-      "scale" : "2x"
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "16x16"
     },
     {
-      "size" : "32x32",
-      "idiom" : "mac",
       "filename" : "icon_32x32.png",
-      "scale" : "1x"
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "32x32"
     },
     {
-      "size" : "32x32",
-      "idiom" : "mac",
       "filename" : "icon_32x32@2x.png",
-      "scale" : "2x"
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "32x32"
     },
     {
-      "size" : "128x128",
-      "idiom" : "mac",
       "filename" : "icon_128x128.png",
-      "scale" : "1x"
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "128x128"
     },
     {
-      "size" : "128x128",
-      "idiom" : "mac",
       "filename" : "icon_128x128@2x.png",
-      "scale" : "2x"
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "128x128"
     },
     {
-      "size" : "256x256",
-      "idiom" : "mac",
       "filename" : "icon_256x256.png",
-      "scale" : "1x"
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "256x256"
     },
     {
-      "size" : "256x256",
-      "idiom" : "mac",
       "filename" : "icon_256x256@2x.png",
-      "scale" : "2x"
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "256x256"
     },
     {
-      "size" : "512x512",
-      "idiom" : "mac",
       "filename" : "icon_512x512.png",
-      "scale" : "1x"
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "512x512"
     },
     {
-      "size" : "512x512",
-      "idiom" : "mac",
       "filename" : "icon_512x512@2x.png",
-      "scale" : "2x"
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "512x512"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   }
-}
+}

phpmon/Assets.xcassets/Contents.json

@@ -1,6 +1,6 @@
 {
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   }
-}
+}

phpmon/Assets.xcassets/StatusBarIconStatic.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "filename" : "phpmon.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "phpmon@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

phpmon/Base.lproj/Main.storyboard

@@ -1,71 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.Storyboard.XIB" version="3.0" toolsVersion="14490.70" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES">
-    <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="14490.70"/>
-        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
-    </dependencies>
-    <scenes>
-        <!--Application-->
-        <scene sceneID="JPo-4y-FX3">
-            <objects>
-                <application id="hnw-xV-0zn" sceneMemberID="viewController">
-                    <menu key="mainMenu" title="Main Menu" systemMenu="main" id="AYu-sK-qS6">
-                        <items>
-                            <menuItem title="phpmon" id="1Xt-HY-uBw">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <menu key="submenu" title="phpmon" systemMenu="apple" id="uQy-DD-JDr">
-                                    <items>
-                                        <menuItem title="About phpmon" id="5kV-Vb-QxS">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="orderFrontStandardAboutPanel:" target="Ady-hI-5gd" id="Exp-CZ-Vem"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem isSeparatorItem="YES" id="VOq-y0-SEH"/>
-                                        <menuItem title="Quit phpmon" keyEquivalent="q" id="4sb-4s-VLi">
-                                            <connections>
-                                                <action selector="terminate:" target="Ady-hI-5gd" id="Te7-pn-YzF"/>
-                                            </connections>
-                                        </menuItem>
-                                    </items>
-                                </menu>
-                            </menuItem>
-                            <menuItem title="Help" id="wpr-3q-Mcd">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <menu key="submenu" title="Help" systemMenu="help" id="F2S-fz-NVQ">
-                                    <items>
-                                        <menuItem title="phpmon Help" keyEquivalent="?" id="FKE-Sm-Kum">
-                                            <connections>
-                                                <action selector="showHelp:" target="Ady-hI-5gd" id="y7X-2Q-9no"/>
-                                            </connections>
-                                        </menuItem>
-                                    </items>
-                                </menu>
-                            </menuItem>
-                        </items>
-                    </menu>
-                    <connections>
-                        <outlet property="delegate" destination="Voe-Tx-rLC" id="PrD-fu-P6m"/>
-                    </connections>
-                </application>
-                <customObject id="Voe-Tx-rLC" customClass="AppDelegate" customModule="phpmon" customModuleProvider="target"/>
-                <customObject id="YLy-65-1bz" customClass="NSFontManager"/>
-                <customObject id="Ady-hI-5gd" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="75" y="0.0"/>
-        </scene>
-        <!--View Controller-->
-        <scene sceneID="hIz-AP-VOD">
-            <objects>
-                <viewController id="XfG-lQ-9wD" customClass="ViewController" customModule="phpmon" customModuleProvider="target" sceneMemberID="viewController">
-                    <view key="view" identifier="main" id="m2S-Jp-Qdl">
-                        <rect key="frame" x="0.0" y="0.0" width="425" height="264"/>
-                        <autoresizingMask key="autoresizingMask"/>
-                    </view>
-                </viewController>
-                <customObject id="rPt-NT-nkU" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="74.5" y="217"/>
-        </scene>
-    </scenes>
-</document>

phpmon/Constants.swift

@@ -0,0 +1,46 @@
+//
+//  Constants.swift
+//  PHP Monitor
+//
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Cocoa
+
+class Constants {
+    
+    /**
+     * The latest PHP version that is considered to be stable at the time of release.
+     * This version number is currently not used (only as a default fallback).
+     */
+    static let LatestStablePhpVersion = "8.1"
+    
+    /**
+     * The PHP versions supported by this application.
+     * Versions that do not appear in this array are omitted from the list.
+     */
+    static let SupportedPhpVersions = [
+        // ====================
+        // STABLE RELEASES
+        // ====================
+        // Versions of PHP that are stable and are supported.
+        "5.6",
+        "7.0",
+        "7.1",
+        "7.2",
+        "7.3",
+        "7.4",
+        "8.0",
+        "8.1",
+        
+        // ====================
+        // EXPERIMENTAL SUPPORT
+        // ====================
+        // Every release that supports the next release will always support the next
+        // dev release. In this case, that means that the version below is detected.
+        "8.2"
+    ]
+    
+
+    
+}

phpmon/Credits.html

@@ -0,0 +1,22 @@
+<html>
+    <head>
+        <style>
+            body {
+                background-color: #FFF;
+                color: #000;
+                font-family: -apple-system;
+                font-size: 11px;
+                padding: 5px;
+                margin: 5px;
+            }
+        </style>
+    </head>
+    <body>
+        <br>
+        <p><b>Want to spread the love?</b> Leave a <a href="https://github.com/nicoverbruggen/phpmon">star on GitHub</a>!</p>
+        <p><b>Having issues?</b> Consult the <a href="https://github.com/nicoverbruggen/phpmon#%EF%B8%8F-faq--troubleshooting">FAQ & Troubleshooting</a> section.</p>
+        <p><b>Want to support me?</b> You can <a href="https://nicoverbruggen.be/sponsor">financially support</a> the continued development of this app.</p>
+        <br>
+    </body>
+</html>
+

phpmon/Domain/Core/Actions.swift

@@ -0,0 +1,243 @@
+//
+//  Services.swift
+//  PHP Monitor
+//
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+import AppKit
+
+class Actions {
+    
+    // MARK: - Detect PHP Versions
+    
+    public static func detectPhpVersions() -> [String]
+    {
+        let files = Shell.pipe("ls \(Paths.optPath) | grep php@")
+        var versionsOnly = Self.extractPhpVersions(from: files.components(separatedBy: "\n"))
+        
+        // Make sure the aliased version is detected
+        // The user may have `php` installed, but not e.g. `php@8.0`
+        // We should also detect that as a version that is installed
+        let phpAlias = App.shared.brewPhpVersion
+        
+        // Avoid inserting a duplicate
+        if (!versionsOnly.contains(phpAlias)) {
+            versionsOnly.append(phpAlias);
+        }
+        
+        print("The PHP versions that were detected are: \(versionsOnly)")
+        
+        App.shared.availablePhpVersions = versionsOnly
+        Actions.extractPhpLongVersions()
+        
+        return versionsOnly
+    }
+    
+    /**
+     This method extracts the PHP full version number after finding the php installation folders.
+     To be refactored at some later point, I'd like to cache the `PhpInstallation` objects instead of just the version number at some point.
+     */
+    public static func extractPhpLongVersions()
+    {
+        var mappedVersions: [String: PhpInstallation] = [:]
+        App.shared.availablePhpVersions.forEach { version in
+            mappedVersions[version] = PhpInstallation(version)
+        }
+        
+        App.shared.cachedPhpInstallations = mappedVersions
+    }
+ 
+    /**
+     Extracts valid PHP versions from an array of strings.
+     This array of strings is usually retrieved from `grep`.
+     */
+    public static func extractPhpVersions(
+        from versions: [String],
+        checkBinaries: Bool = true
+    ) -> [String] {
+        var output : [String] = []
+        
+        versions.filter { (version) -> Bool in
+            // Omit everything that doesn't start with php@
+            // (e.g. something-php@8.0 won't be detected)
+            return version.starts(with: "php@")
+        }.forEach { (string) in
+            let version = string.components(separatedBy: "php@")[1]
+            // Only append the version if it doesn't already exist (avoid dupes),
+            // is supported and where the binary exists (avoids broken installs)
+            if !output.contains(version)
+                && Constants.SupportedPhpVersions.contains(version)
+                && (checkBinaries ? Shell.fileExists("\(Paths.optPath)/php@\(version)/bin/php") : true)
+            {
+                output.append(version)
+            }
+        }
+        
+        return output
+    }
+    
+    // MARK: - Services
+    
+    public static func restartPhpFpm()
+    {
+        brew("services restart \(App.phpInstall!.formula)", sudo: true)
+    }
+    
+    public static func restartNginx()
+    {
+        brew("services restart nginx", sudo: true)
+    }
+    
+    public static func restartDnsMasq()
+    {
+        brew("services restart dnsmasq", sudo: true)
+    }
+    
+    public static func stopAllServices()
+    {
+        brew("services stop \(App.phpInstall!.formula)", sudo: true)
+        brew("services stop nginx", sudo: true)
+        brew("services stop dnsmasq", sudo: true)
+    }
+    
+    /**
+     Switching to a new PHP version involves:
+     - unlinking the current version
+     - stopping the active services
+     - linking the new desired version
+     
+     Please note that depending on which version is installed,
+     the version that is switched to may or may not be identical to `php` (without @version).
+     */
+    public static func switchToPhpVersion(
+        version: String,
+        availableVersions: [String],
+        completed: @escaping () -> Void
+    ) {
+        print("Switching to \(version), unlinking all versions...")
+
+        let group = DispatchGroup()
+        
+        availableVersions.forEach { (available) in
+            group.enter()
+            
+            DispatchQueue.global(qos: .userInitiated).async {
+                let formula = (available == App.shared.brewPhpVersion)
+                    ? "php" : "php@\(available)"
+                
+                brew("unlink \(formula)")
+                brew("services stop \(formula)", sudo: true)
+                
+                group.leave()
+            }
+        }
+        
+        group.notify(queue: .global(qos: .userInitiated)) {
+            print("All versions have been unlinked!")
+            print("Linking the new version!")
+            
+            let formula = (version == App.shared.brewPhpVersion) ? "php" : "php@\(version)"
+            brew("link \(formula) --overwrite --force")
+            brew("services start \(formula)", sudo: true)
+            
+            print("The new version has been linked!")
+            completed()
+        }
+    }
+    
+    // MARK: - Finding Config Files
+    
+    public static func openGenericPhpConfigFolder()
+    {
+        let files = [NSURL(fileURLWithPath: "\(Paths.etcPath)/php")];
+        NSWorkspace.shared.activateFileViewerSelecting(files as [URL])
+    }
+    
+    public static func openGlobalComposerFolder()
+    {
+        let file = FileManager.default.homeDirectoryForCurrentUser
+            .appendingPathComponent(".composer/composer.json")
+        NSWorkspace.shared.activateFileViewerSelecting([file] as [URL])
+    }
+    
+    public static func openPhpConfigFolder(version: String)
+    {
+        let files = [NSURL(fileURLWithPath: "\(Paths.etcPath)/php/\(version)/php.ini")];
+        NSWorkspace.shared.activateFileViewerSelecting(files as [URL])
+    }
+    
+    public static func openValetConfigFolder()
+    {
+        let file = FileManager.default.homeDirectoryForCurrentUser
+            .appendingPathComponent(".config/valet")
+        NSWorkspace.shared.activateFileViewerSelecting([file] as [URL])
+    }
+    
+    // MARK: - Quick Fix
+    
+    /**
+     Detects all currently available PHP versions, and unlinks each and every one of them.
+     After this, the brew services are also stopped, the latest PHP version is linked, and php + nginx are restarted.
+     If this does not solve the issue, the user may need to install additional extensions and/or run `composer global update`.
+     */
+    public static func fixMyPhp()
+    {
+        brew("services restart dnsmasq", sudo: true)
+        
+        detectPhpVersions().forEach { (version) in
+            let formula = (version == App.shared.brewPhpVersion) ? "php" : "php@\(version)"
+            brew("unlink php@\(version)")
+            brew("services stop \(formula)")
+            brew("services stop \(formula)", sudo: true)
+        }
+        
+        brew("services stop php")
+        brew("services stop nginx")
+        brew("link php")
+        brew("services restart dnsmasq", sudo: true)
+        brew("services stop php", sudo: true)
+        brew("services stop nginx", sudo: true)
+    }
+    
+    // MARK: Common Shell Commands
+    
+    /**
+     Runs a `brew` command. Can run as superuser.
+     */
+    public static func brew(_ command: String, sudo: Bool = false)
+    {
+        Shell.run("\(sudo ? "sudo " : "")" + "\(Paths.brew) \(command)")
+    }
+    
+    /**
+     Runs `sed` in order to replace all occurrences of a string in a specific file with another.
+     */
+    public static func sed(file: String, original: String, replacement: String)
+    {
+        // Escape slashes (or `sed` won't work)
+        let e_original = original.replacingOccurrences(of: "/", with: "\\/")
+        let e_replacement = replacement.replacingOccurrences(of: "/", with: "\\/")
+        
+        // Check if gsed exists; it is able to follow symlinks, which we want to do to toggle the extension
+        if Shell.fileExists("\(Paths.binPath)/gsed") {
+            Shell.run("\(Paths.binPath)/gsed -i --follow-symlinks 's/\(e_original)/\(e_replacement)/g' \(file)")
+        } else {
+            Shell.run("sed -i '' 's/\(e_original)/\(e_replacement)/g' \(file)")
+        }
+    }
+    
+    /**
+     Uses `grep` to determine whether a particular query string can be found in a particular file.
+     */
+    public static func grepContains(file: String, query: String) -> Bool
+    {
+        return Shell.pipe("""
+            grep -q '\(query)' \(file); [ $? -eq 0 ] && echo "YES" || echo "NO"
+            """)
+            .trimmingCharacters(in: .whitespacesAndNewlines)
+            .contains("YES")
+    }
+    
+}

phpmon/Domain/Core/App.swift

@@ -0,0 +1,130 @@
+//
+//  StateManager.swift
+//  PHP Monitor
+//
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Cocoa
+import HotKey
+
+class App {
+    
+    static let shared = App()
+    
+    init() {
+        loadGlobalHotkey()
+    }
+    
+    /** Information about the currently linked PHP installation. */
+    static var phpInstall: ActivePhpInstallation? {
+        return App.shared.currentInstall
+    }
+    
+    /** Whether the app is busy doing something. Used to determine what UI to display. */
+    static var busy: Bool {
+        return App.shared.busy
+    }
+    
+    /** The list of preferences that are currently active. */
+    var preferences: [PreferenceName: Bool]!
+    
+    /**
+     The window controller of the currently active window.
+     */
+    var windowController: NSWindowController? = nil
+    
+    /**
+     Whether the application is busy switching versions.
+     */
+    var busy: Bool = false
+    
+    /**
+     The currently active installation of PHP.
+     */
+    var currentInstall: ActivePhpInstallation? = nil
+    
+    /**
+     All available versions of PHP.
+     */
+    var availablePhpVersions : [String] = []
+    
+    /**
+     Cached information about the PHP installations; contains only the full version number at this point.
+     */
+    var cachedPhpInstallations : [String: PhpInstallation] = [:]
+    
+    /**
+     The timer that will periodically fetch the PHP version that is currently active.
+     */
+    var timer: Timer?
+    
+    /**
+     Information we were able to discern from the Homebrew info command (as JSON).
+     */
+    var brewPhpPackage: HomebrewPackage! = nil {
+        didSet {
+            brewPhpVersion = brewPhpPackage!.version
+        }
+    }
+    
+    /**
+     The version that the `php` formula via Brew is aliased to on the current system.
+     
+     If you're up to date, `php` will be aliased to the latest version,
+     but that might not be the case.
+     
+     We'll technically default to the version in Constants.swift, but the information
+     should always be loaded from Homebrew itself upon startup.
+     */
+    var brewPhpVersion: String = Constants.LatestStablePhpVersion
+    
+    /**
+     The shortcut the user has requested.
+     */
+    var shortcutHotkey: HotKey? = nil {
+        didSet {
+            self.setupGlobalHotkeyListener()
+        }
+    }
+    
+    // MARK: - Methods
+    
+    /**
+     On startup, the preferences should be loaded from the .plist, and we'll enable the shortcut if it is set.
+     */
+    private func loadGlobalHotkey() {
+        // Make sure we can retrieve the hotkey from preferences; if we cannot, no hotkey is set
+        guard let hotkey = Preferences.preferences[.globalHotkey] as? String else {
+            print("No global hotkey loaded")
+            return
+        }
+        
+        // Make sure we can parse the JSON into the desired format; if we cannot, no hotkey is set
+        guard let keybindPref = GlobalKeybindPreference.fromJson(hotkey) else {
+            print("No global hotkey loaded, could not be parsed!")
+            self.shortcutHotkey = nil
+            return
+        }
+        
+        self.shortcutHotkey = HotKey(keyCombo: KeyCombo(
+            carbonKeyCode: keybindPref.keyCode,
+            carbonModifiers: keybindPref.carbonFlags
+        ))
+    }
+    
+    /**
+     Sets up the action that needs to occur when the shortcut key is pressed (open the menu).
+     */
+    private func setupGlobalHotkeyListener() {
+        guard let hotkey = self.shortcutHotkey else {
+            return
+        }
+        
+        hotkey.keyDownHandler = {
+            MainMenu.shared.statusItem.button?.performClick(nil)
+            NSApplication.shared.activate(ignoringOtherApps: true)
+        }
+    }
+    
+}

phpmon/Domain/Core/Base.lproj/Main.storyboard

@@ -0,0 +1,288 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.Storyboard.XIB" version="3.0" toolsVersion="19455" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES">
+    <dependencies>
+        <deployment identifier="macosx"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="19455"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--Application-->
+        <scene sceneID="JPo-4y-FX3">
+            <objects>
+                <application id="hnw-xV-0zn" sceneMemberID="viewController">
+                    <menu key="mainMenu" title="Main Menu" systemMenu="main" id="AYu-sK-qS6">
+                        <items>
+                            <menuItem title="PHP Monitor" id="1Xt-HY-uBw">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="PHP Monitor" systemMenu="apple" id="uQy-DD-JDr">
+                                    <items>
+                                        <menuItem title="About PHP Monitor" id="5kV-Vb-QxS">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="orderFrontStandardAboutPanel:" target="Ady-hI-5gd" id="Exp-CZ-Vem"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="VOq-y0-SEH"/>
+                                        <menuItem title="Quit PHP Monitor" keyEquivalent="q" id="4sb-4s-VLi">
+                                            <connections>
+                                                <action selector="terminate:" target="Ady-hI-5gd" id="Te7-pn-YzF"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Help" id="wpr-3q-Mcd">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Help" systemMenu="help" id="F2S-fz-NVQ">
+                                    <items>
+                                        <menuItem title="PHP Monitor Help" keyEquivalent="?" id="FKE-Sm-Kum">
+                                            <connections>
+                                                <action selector="showHelp:" target="Ady-hI-5gd" id="y7X-2Q-9no"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                        </items>
+                    </menu>
+                    <connections>
+                        <outlet property="delegate" destination="Voe-Tx-rLC" id="PrD-fu-P6m"/>
+                    </connections>
+                </application>
+                <customObject id="Voe-Tx-rLC" customClass="AppDelegate" customModule="PHP_Monitor" customModuleProvider="target"/>
+                <customObject id="YLy-65-1bz" customClass="NSFontManager"/>
+                <customObject id="Ady-hI-5gd" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="-343" y="-16"/>
+        </scene>
+        <!--Window Controller-->
+        <scene sceneID="PQa-AT-b2a">
+            <objects>
+                <windowController storyboardIdentifier="preferencesWindow" showSeguePresentationStyle="single" id="hLJ-Fd-wRr" customClass="PrefsWC" customModule="PHP_Monitor" customModuleProvider="target" sceneMemberID="viewController">
+                    <window key="window" title="Window" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" visibleAtLaunch="NO" frameAutosaveName="" animationBehavior="default" id="h4c-3b-nko">
+                        <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
+                        <windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
+                        <rect key="contentRect" x="372" y="403" width="480" height="270"/>
+                        <rect key="screenRect" x="0.0" y="0.0" width="2304" height="1271"/>
+                        <view key="contentView" id="2yL-50-11x">
+                            <rect key="frame" x="0.0" y="0.0" width="480" height="270"/>
+                            <autoresizingMask key="autoresizingMask"/>
+                        </view>
+                        <connections>
+                            <outlet property="delegate" destination="hLJ-Fd-wRr" id="6HE-8Y-aCO"/>
+                        </connections>
+                    </window>
+                    <connections>
+                        <segue destination="AW2-rV-rbS" kind="relationship" relationship="window.shadowedContentViewController" id="3dX-9V-eA0"/>
+                    </connections>
+                </windowController>
+                <customObject id="OF0-qs-3Oh" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="-374" y="327"/>
+        </scene>
+        <!--Preferences-->
+        <scene sceneID="iyi-IS-7Ps">
+            <objects>
+                <viewController title="Preferences" storyboardIdentifier="preferences" showSeguePresentationStyle="single" id="AW2-rV-rbS" customClass="PrefsVC" customModule="PHP_Monitor" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" wantsLayer="YES" misplaced="YES" id="Pf1-A5-3Xz">
+                        <rect key="frame" x="0.0" y="0.0" width="574" height="311"/>
+                        <autoresizingMask key="autoresizingMask"/>
+                        <subviews>
+                            <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="GSr-K5-3yw">
+                                <rect key="frame" x="485" y="13" width="76" height="32"/>
+                                <buttonCell key="cell" type="push" title="CLOSE" bezelStyle="rounded" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="ocw-Rx-gyh">
+                                    <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
+                                    <font key="font" metaFont="system"/>
+                                    <string key="keyEquivalent" base64-UTF8="YES">
+Gw
+</string>
+                                </buttonCell>
+                                <connections>
+                                    <action selector="pressed:" target="AW2-rV-rbS" id="8dA-y4-voq"/>
+                                </connections>
+                            </button>
+                            <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="MEf-MN-oXt">
+                                <rect key="frame" x="148" y="274" width="406" height="18"/>
+                                <buttonCell key="cell" type="check" title="DYN_ICON" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="m5s-qp-Iaj">
+                                    <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
+                                    <font key="font" metaFont="system"/>
+                                </buttonCell>
+                                <connections>
+                                    <action selector="toggledDynamicIcon:" target="AW2-rV-rbS" id="cuJ-mt-agf"/>
+                                </connections>
+                            </button>
+                            <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="JrH-aa-AzL">
+                                <rect key="frame" x="148" y="253" width="408" height="14"/>
+                                <textFieldCell key="cell" title="DYN_ICON_DESC" id="MHA-Xt-xgF">
+                                    <font key="font" metaFont="smallSystem"/>
+                                    <color key="textColor" name="secondaryLabelColor" catalog="System" colorSpace="catalog"/>
+                                    <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                </textFieldCell>
+                            </textField>
+                            <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="V7b-jv-oCB">
+                                <rect key="frame" x="143" y="75" width="184" height="32"/>
+                                <constraints>
+                                    <constraint firstAttribute="width" constant="170" id="9jD-Bf-T2M"/>
+                                </constraints>
+                                <backgroundFilters>
+                                    <ciFilter name="CIDotScreen">
+                                        <configuration>
+                                            <real key="inputAngle" value="0.0"/>
+                                            <ciVector key="inputCenter">
+                                                <real value="150"/>
+                                                <real value="150"/>
+                                            </ciVector>
+                                            <null key="inputImage"/>
+                                            <real key="inputSharpness" value="0.69999999999999996"/>
+                                            <real key="inputWidth" value="6"/>
+                                        </configuration>
+                                    </ciFilter>
+                                </backgroundFilters>
+                                <buttonCell key="cell" type="push" title="SET_SHORTCUT" bezelStyle="rounded" alignment="center" borderStyle="border" inset="2" id="R63-tN-KVQ">
+                                    <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
+                                    <font key="font" metaFont="system"/>
+                                </buttonCell>
+                                <connections>
+                                    <action selector="register:" target="AW2-rV-rbS" id="4Mj-eM-4eW"/>
+                                </connections>
+                            </button>
+                            <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="YsQ-AZ-Aei">
+                                <rect key="frame" x="325" y="75" width="138" height="32"/>
+                                <buttonCell key="cell" type="push" title="CLEAR_SHORTCUT" bezelStyle="rounded" alignment="center" enabled="NO" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="nvE-5d-VOS">
+                                    <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
+                                    <font key="font" metaFont="smallSystem"/>
+                                </buttonCell>
+                                <connections>
+                                    <action selector="unregister:" target="AW2-rV-rbS" id="2RI-4w-6Td"/>
+                                </connections>
+                            </button>
+                            <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="5ZK-BG-o1t">
+                                <rect key="frame" x="42" y="85" width="100" height="16"/>
+                                <textFieldCell key="cell" lineBreakMode="clipping" title="PREF_GLOSHO:" id="xiD-8H-p5s">
+                                    <font key="font" metaFont="system"/>
+                                    <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
+                                    <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                </textFieldCell>
+                            </textField>
+                            <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="31d-gd-auR">
+                                <rect key="frame" x="18" y="275" width="124" height="16"/>
+                                <constraints>
+                                    <constraint firstAttribute="width" constant="120" id="8dt-Pg-wFI"/>
+                                </constraints>
+                                <textFieldCell key="cell" lineBreakMode="clipping" alignment="right" title="PREF_DYN_ICON:" id="E10-ss-Cdz">
+                                    <font key="font" metaFont="system"/>
+                                    <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
+                                    <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                </textFieldCell>
+                            </textField>
+                            <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="1TO-9H-z2d">
+                                <rect key="frame" x="148" y="60" width="101" height="14"/>
+                                <textFieldCell key="cell" title="SHORTCUT_DESC" id="nYP-yi-DBf">
+                                    <font key="font" metaFont="smallSystem"/>
+                                    <color key="textColor" name="secondaryLabelColor" catalog="System" colorSpace="catalog"/>
+                                    <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                </textFieldCell>
+                            </textField>
+                            <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="vSc-oQ-NC5">
+                                <rect key="frame" x="148" y="220" width="121" height="18"/>
+                                <buttonCell key="cell" type="check" title="FULL_PHP_VER" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="eCd-ja-EwE">
+                                    <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
+                                    <font key="font" metaFont="system"/>
+                                </buttonCell>
+                                <connections>
+                                    <action selector="toggledFullPhpVersion:" target="AW2-rV-rbS" id="RCY-Ah-sLM"/>
+                                </connections>
+                            </button>
+                            <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="t24-LR-wKz">
+                                <rect key="frame" x="148" y="199" width="123" height="14"/>
+                                <textFieldCell key="cell" title="FULL_PHP_VER_DESC" id="8gG-qs-mHR">
+                                    <font key="font" metaFont="smallSystem"/>
+                                    <color key="textColor" name="secondaryLabelColor" catalog="System" colorSpace="catalog"/>
+                                    <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                </textFieldCell>
+                            </textField>
+                            <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="ogC-wz-ZfO">
+                                <rect key="frame" x="18" y="153" width="124" height="16"/>
+                                <constraints>
+                                    <constraint firstAttribute="width" constant="120" id="i9O-6m-Gr9"/>
+                                </constraints>
+                                <textFieldCell key="cell" lineBreakMode="clipping" alignment="right" title="PREF_SERVICES:" id="bm4-rf-kCF">
+                                    <font key="font" metaFont="system"/>
+                                    <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
+                                    <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                </textFieldCell>
+                            </textField>
+                            <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="47u-9B-eDu">
+                                <rect key="frame" x="148" y="152" width="126" height="18"/>
+                                <buttonCell key="cell" type="check" title="AUTO_RESTART" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="n1d-l4-inL">
+                                    <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
+                                    <font key="font" metaFont="system"/>
+                                </buttonCell>
+                                <connections>
+                                    <action selector="toggledAutoRestartServices:" target="AW2-rV-rbS" id="THn-nu-IiJ"/>
+                                </connections>
+                            </button>
+                            <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="ObP-GE-ejZ">
+                                <rect key="frame" x="148" y="131" width="126" height="14"/>
+                                <textFieldCell key="cell" title="AUTO_RESTART_DESC" id="F9P-iQ-gBk">
+                                    <font key="font" metaFont="smallSystem"/>
+                                    <color key="textColor" name="secondaryLabelColor" catalog="System" colorSpace="catalog"/>
+                                    <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                </textFieldCell>
+                            </textField>
+                        </subviews>
+                        <constraints>
+                            <constraint firstItem="ogC-wz-ZfO" firstAttribute="trailing" secondItem="31d-gd-auR" secondAttribute="trailing" id="2Lr-Ht-qKI"/>
+                            <constraint firstItem="t24-LR-wKz" firstAttribute="leading" secondItem="vSc-oQ-NC5" secondAttribute="leading" id="3tK-kp-q5R"/>
+                            <constraint firstItem="t24-LR-wKz" firstAttribute="top" secondItem="vSc-oQ-NC5" secondAttribute="bottom" constant="8" symbolic="YES" id="4Ft-lN-vwA"/>
+                            <constraint firstAttribute="trailing" secondItem="JrH-aa-AzL" secondAttribute="trailing" constant="20" symbolic="YES" id="8iM-Xf-ShU"/>
+                            <constraint firstItem="ObP-GE-ejZ" firstAttribute="leading" secondItem="47u-9B-eDu" secondAttribute="leading" id="ASF-WR-A3X"/>
+                            <constraint firstAttribute="trailing" secondItem="GSr-K5-3yw" secondAttribute="trailing" constant="20" symbolic="YES" id="AT9-5F-6g1"/>
+                            <constraint firstItem="YsQ-AZ-Aei" firstAttribute="leading" secondItem="V7b-jv-oCB" secondAttribute="trailing" constant="12" symbolic="YES" id="Bk6-4V-GLk"/>
+                            <constraint firstItem="31d-gd-auR" firstAttribute="top" secondItem="Pf1-A5-3Xz" secondAttribute="top" constant="20" symbolic="YES" id="C3K-NX-BBl"/>
+                            <constraint firstItem="YsQ-AZ-Aei" firstAttribute="top" secondItem="V7b-jv-oCB" secondAttribute="top" id="DY5-za-saX"/>
+                            <constraint firstItem="vSc-oQ-NC5" firstAttribute="leading" secondItem="JrH-aa-AzL" secondAttribute="leading" id="FVa-vu-VGJ"/>
+                            <constraint firstItem="MEf-MN-oXt" firstAttribute="leading" secondItem="31d-gd-auR" secondAttribute="trailing" constant="10" id="G5S-JV-re3"/>
+                            <constraint firstItem="V7b-jv-oCB" firstAttribute="firstBaseline" secondItem="5ZK-BG-o1t" secondAttribute="firstBaseline" id="H5D-2D-DLH"/>
+                            <constraint firstItem="1TO-9H-z2d" firstAttribute="leading" secondItem="V7b-jv-oCB" secondAttribute="leading" id="Imk-o0-2fS"/>
+                            <constraint firstItem="ObP-GE-ejZ" firstAttribute="top" secondItem="47u-9B-eDu" secondAttribute="bottom" constant="8" symbolic="YES" id="JqR-Jd-SoR"/>
+                            <constraint firstItem="JrH-aa-AzL" firstAttribute="leading" secondItem="MEf-MN-oXt" secondAttribute="leading" id="K2H-Af-2qK"/>
+                            <constraint firstItem="5ZK-BG-o1t" firstAttribute="top" secondItem="ObP-GE-ejZ" secondAttribute="bottom" constant="30" id="LO4-8j-ihp"/>
+                            <constraint firstItem="47u-9B-eDu" firstAttribute="top" secondItem="ogC-wz-ZfO" secondAttribute="top" id="T9j-v2-fSW"/>
+                            <constraint firstItem="JrH-aa-AzL" firstAttribute="top" secondItem="MEf-MN-oXt" secondAttribute="bottom" constant="8" symbolic="YES" id="Vf8-fx-H50"/>
+                            <constraint firstItem="MEf-MN-oXt" firstAttribute="firstBaseline" secondItem="31d-gd-auR" secondAttribute="firstBaseline" id="W36-bE-iAT"/>
+                            <constraint firstItem="1TO-9H-z2d" firstAttribute="firstBaseline" secondItem="V7b-jv-oCB" secondAttribute="baseline" constant="25" id="bJG-ed-pch"/>
+                            <constraint firstItem="V7b-jv-oCB" firstAttribute="leading" secondItem="JrH-aa-AzL" secondAttribute="leading" id="bUY-uH-N7A"/>
+                            <constraint firstItem="5ZK-BG-o1t" firstAttribute="trailing" secondItem="31d-gd-auR" secondAttribute="trailing" id="c4g-jO-JUm"/>
+                            <constraint firstAttribute="bottom" secondItem="GSr-K5-3yw" secondAttribute="bottom" constant="20" symbolic="YES" id="dAS-yW-vua"/>
+                            <constraint firstItem="vSc-oQ-NC5" firstAttribute="top" secondItem="JrH-aa-AzL" secondAttribute="bottom" constant="16" id="hQf-4s-iHn"/>
+                            <constraint firstItem="GSr-K5-3yw" firstAttribute="leading" relation="greaterThanOrEqual" secondItem="Pf1-A5-3Xz" secondAttribute="leading" constant="20" symbolic="YES" id="mTE-WD-54L"/>
+                            <constraint firstItem="47u-9B-eDu" firstAttribute="leading" secondItem="MEf-MN-oXt" secondAttribute="leading" id="n8B-C8-dXs"/>
+                            <constraint firstItem="31d-gd-auR" firstAttribute="leading" secondItem="Pf1-A5-3Xz" secondAttribute="leading" constant="20" symbolic="YES" id="o0J-yT-TDX"/>
+                            <constraint firstItem="ogC-wz-ZfO" firstAttribute="top" secondItem="t24-LR-wKz" secondAttribute="bottom" constant="30" id="oXh-LE-sRS"/>
+                            <constraint firstAttribute="trailing" secondItem="MEf-MN-oXt" secondAttribute="trailing" constant="20" symbolic="YES" id="pJg-zj-cBs"/>
+                            <constraint firstItem="GSr-K5-3yw" firstAttribute="top" secondItem="1TO-9H-z2d" secondAttribute="bottom" constant="20" id="pMZ-Gx-Jmm"/>
+                        </constraints>
+                    </view>
+                    <connections>
+                        <outlet property="buttonAutoRestartServices" destination="47u-9B-eDu" id="kyg-BX-PQK"/>
+                        <outlet property="buttonClearShortcut" destination="YsQ-AZ-Aei" id="1xo-hk-HgM"/>
+                        <outlet property="buttonClose" destination="GSr-K5-3yw" id="d4I-Cf-gXD"/>
+                        <outlet property="buttonDisplayFullPhpVersion" destination="vSc-oQ-NC5" id="ZLa-Vf-4Dq"/>
+                        <outlet property="buttonDynamicIcon" destination="MEf-MN-oXt" id="qEN-Vg-EZS"/>
+                        <outlet property="buttonSetShortcut" destination="V7b-jv-oCB" id="2aS-S4-cKR"/>
+                        <outlet property="labelAutoRestartServices" destination="ObP-GE-ejZ" id="uwY-D7-Uve"/>
+                        <outlet property="labelDisplayFullPhpVersion" destination="t24-LR-wKz" id="wYj-Z0-a3h"/>
+                        <outlet property="labelDynamicIcon" destination="JrH-aa-AzL" id="CFc-fF-oPq"/>
+                        <outlet property="labelShortcut" destination="1TO-9H-z2d" id="paF-hK-78x"/>
+                        <outlet property="leftLabelDynamicIcon" destination="31d-gd-auR" id="ANZ-Zs-4d7"/>
+                        <outlet property="leftLabelGlobalShortcut" destination="5ZK-BG-o1t" id="73E-9i-cg8"/>
+                        <outlet property="leftLabelServices" destination="ogC-wz-ZfO" id="BYx-Gv-N1p"/>
+                    </connections>
+                </viewController>
+                <customObject id="eQC-8B-FkX" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="264" y="457"/>
+        </scene>
+    </scenes>
+</document>

phpmon/Domain/Core/Startup.swift

@@ -0,0 +1,132 @@
+//
+//  Environment.swift
+//  PHP Monitor
+//
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+
+class Startup {
+    
+    public var failed : Bool = false
+    public var failureCallback = {}
+    
+    /**
+     Checks the user's environment and checks if PHP Monitor can be used properly.
+     This checks if PHP is installed, Valet is running, the appropriate permissions are set, and more.
+     
+     - Parameter success: Callback that is fired if the application can proceed with launch
+     - Parameter failure: Callback that is fired if the application must retry launch
+     */
+    func checkEnvironment(success: () -> Void, failure: @escaping () -> Void)
+    {
+        failureCallback = failure
+        
+        performEnvironmentCheck(
+            !Shell.fileExists("\(Paths.binPath)/php"),
+            messageText:        "startup.errors.php_binary.title".localized,
+            informativeText:    "startup.errors.php_binary_desc".localized,
+            breaking:           true
+        )
+        
+        performEnvironmentCheck(
+            !Shell.pipe("ls \(Paths.optPath) | grep php").contains("php"),
+            messageText:        "startup.errors.php_opt.title".localized,
+            informativeText:    "startup.errors.php_opt.desc".localized,
+            breaking:           true
+        )
+        
+        performEnvironmentCheck(
+            // Check for Valet; it can be symlinked or in .composer/vendor/bin
+            !(Shell.fileExists("/usr/local/bin/valet")
+                || Shell.fileExists("/opt/homebrew/bin/valet")
+                || Shell.fileExists("~/.composer/vendor/bin/valet")
+            ),
+            messageText:        "startup.errors.valet_executable.title".localized,
+            informativeText:    "startup.errors.valet_executable.desc".localized,
+            breaking:           true
+        )
+        
+        performEnvironmentCheck(
+            !Shell.pipe("cat /private/etc/sudoers.d/brew").contains("\(Paths.binPath)/brew"),
+            messageText:        "startup.errors.sudoers_brew.title".localized,
+            informativeText:    "startup.errors.sudoers_brew.desc".localized,
+            breaking:           true
+        )
+        
+        performEnvironmentCheck(
+            // Check for Valet; it can be symlinked or in .composer/vendor/bin
+            !(Shell.pipe("cat /private/etc/sudoers.d/valet").contains("/usr/local/bin/valet")
+                || Shell.pipe("cat /private/etc/sudoers.d/valet").contains("/opt/homebrew/bin/valet")
+                || Shell.pipe("cat /private/etc/sudoers.d/valet").contains(".composer/vendor/bin/valet")
+            ),
+            messageText:        "startup.errors.sudoers_valet.title".localized,
+            informativeText:    "startup.errors.sudoers_valet.desc".localized,
+            breaking:           true
+        )
+        
+        let services = Shell.pipe("\(Paths.brew) services list | grep php")
+        performEnvironmentCheck(
+            (services.countInstances(of: "started") > 1),
+            messageText:        "startup.errors.services.title".localized,
+            informativeText:    "startup.errors.services.desc".localized,
+            breaking:           false
+        )
+        
+        if (!failed) {
+            determineBrewAliasVersion()
+            success()
+        }
+    }
+    
+    /**
+     * In order to avoid having to hard-code which version of PHP is aliased to what specific subversion,
+     * PHP Monitor now determines the alias by checking the user's system.
+     */
+    private func determineBrewAliasVersion()
+    {
+        print("PHP Monitor has determined the application has successfully passed all checks.")
+        print("Determining which version of PHP is aliased to `php` via Homebrew...")
+        
+        let brewPhpAlias = Shell.pipe("\(Paths.brew) info php --json");
+        
+        App.shared.brewPhpPackage = try! JSONDecoder().decode(
+            [HomebrewPackage].self,
+            from: brewPhpAlias.data(using: .utf8)!
+        ).first!
+        
+        print("When on your system, the `php` formula means version \(App.shared.brewPhpVersion)!")
+    }
+    
+    /**
+     * Perform an environment check. Will cause the application to terminate, if `breaking` is set to true.
+     *
+     * - Parameter condition: Fail condition to check for; if this returns `true`, the alert will be shown
+     * - Parameter messageText: Short description of what is wrong
+     * - Parameter informativeText: Expanded description of the environment check that failed
+     * - Parameter breaking: If the application should terminate afterwards
+     */
+    private func performEnvironmentCheck(
+        _ condition: Bool,
+        messageText: String,
+        informativeText: String,
+        breaking: Bool
+    ) {
+        if (!condition) { return }
+        
+        failed = breaking
+
+        DispatchQueue.main.async { [self] in
+            // Present the information to the user
+            Alert.notify(
+                message: messageText,
+                info: informativeText,
+                style: breaking ? .critical : .warning
+            )
+            // Only breaking issues will throw the extra retry modal
+            breaking ? failureCallback() : ()
+        }
+    }
+    
+}

phpmon/Domain/Extensions/DateExtension.swift

@@ -0,0 +1,18 @@
+//
+//  Date.swift
+//  PHP Monitor
+//
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Cocoa
+
+extension Date {
+    
+    func toString() -> String {
+        let dateFormatter = DateFormatter()
+        dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss"
+        return dateFormatter.string(from: self)
+    }
+    
+}

phpmon/Domain/Extensions/NSMenuExtension.swift

@@ -0,0 +1,18 @@
+//
+//  NSMenuExtension.swift
+//  PHP Monitor
+//
+//  Created by Nico Verbruggen on 14/04/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Cocoa
+
+extension NSMenu {
+    
+    open func addItem(_ newItem: NSMenuItem, withKeyModifier modifier: NSEvent.ModifierFlags) {
+        newItem.keyEquivalentModifierMask = modifier
+        self.addItem(newItem)
+    }
+    
+}

phpmon/Domain/Extensions/StringExtension.swift

@@ -0,0 +1,37 @@
+//
+//  StringExtension.swift
+//  PHP Monitor
+//
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+import Foundation
+
+extension String {
+    
+    var localized: String {
+        return NSLocalizedString(self, tableName: nil, bundle: Bundle.main, value: "", comment: "")
+    }
+    
+    func countInstances(of stringToFind: String) -> Int {
+        if (stringToFind.isEmpty) {
+            return 0
+        }
+        
+        var count = 0
+        var searchRange: Range<String.Index>?
+        
+        while let foundRange = range(of: stringToFind, options: [], range: searchRange) {
+            count += 1
+            searchRange = Range(uncheckedBounds: (lower: foundRange.upperBound, upper: endIndex))
+        }
+        
+        return count
+    }
+
+    subscript (r: Range<String.Index>) -> String {
+        let start = r.lowerBound
+        let end = r.upperBound
+        return String(self[start ..< end])
+    }
+    
+}

phpmon/Domain/Extensions/XibLoadable.swift

@@ -0,0 +1,36 @@
+//
+//  NibLoadable.swift
+//  PHP Monitor
+//
+//  Created by Nico Verbruggen on 04/02/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+import Cocoa
+
+// Adapted from: https://stackoverflow.com/a/46268778
+
+protocol XibLoadable {
+    
+    static var xibName: String? { get }
+    static func createFromXib(in bundle: Bundle) -> Self?
+    
+}
+
+extension XibLoadable where Self: NSView {
+    
+    static var xibName: String? {
+        return String(describing: Self.self)
+    }
+    
+    static func createFromXib(in bundle: Bundle = Bundle.main) -> Self? {
+        guard let xibName = xibName else { return nil }
+        var topLevelArray: NSArray? = nil
+        bundle.loadNibNamed(NSNib.Name(xibName), owner: self, topLevelObjects: &topLevelArray)
+        guard let results = topLevelArray else { return nil }
+        let views = Array<Any>(results).filter { $0 is Self }
+        return views.last as? Self
+    }
+    
+}

phpmon/Domain/Helpers/Alert.swift

@@ -0,0 +1,34 @@
+//
+//  Alert.swift
+//  PHP Monitor
+//
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Cocoa
+
+class Alert {
+    
+    public static func present(
+        messageText: String,
+        informativeText: String,
+        buttonTitle: String = "OK",
+        secondButtonTitle: String = "",
+        style: NSAlert.Style = .informational
+    ) -> Bool {
+        let alert = NSAlert.init()
+        alert.alertStyle = style
+        alert.messageText = messageText
+        alert.informativeText = informativeText
+        alert.addButton(withTitle: buttonTitle)
+        if (!secondButtonTitle.isEmpty) {
+            alert.addButton(withTitle: secondButtonTitle)
+        }
+        return alert.runModal() == .alertFirstButtonReturn
+    }
+    
+    public static func notify(message: String, info: String, style: NSAlert.Style = .informational) {
+        _ = self.present(messageText: message, informativeText: info, buttonTitle: "OK", secondButtonTitle: "", style: style)
+    }
+    
+}

phpmon/Domain/Helpers/HomebrewDiagnostics.swift

@@ -0,0 +1,70 @@
+//
+//  AliasConflict.swift
+//  PHP Monitor
+//
+//  Created by Nico Verbruggen on 28/11/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+
+class HomebrewDiagnostics {
+    
+    enum Errors: String {
+        case aliasConflict = "alias_conflict"
+    }
+    
+    static let shared = HomebrewDiagnostics()
+    var errors: [HomebrewDiagnostics.Errors] = []
+
+    init() {
+        if self.determineAliasConflicts() {
+            self.errors.append(.aliasConflict)
+        }
+    }
+    
+    /**
+     It is possible to have the `shivammathur/php` tap installed, and for the core homebrew information to be outdated.
+     This will then result in two different aliases claiming to point to the same formula (`php`).
+     This will break all linking functionality in PHP Monitor, and the user needs to be informed of this.
+     
+     This check only needs to be performed if the `shivammathur/php` tap is active.
+     */
+    public func determineAliasConflicts() -> Bool
+    {
+        let tapAlias = Shell.pipe("\(Paths.brew) info shivammathur/php/php --json")
+        
+        if tapAlias.contains("brew tap shivammathur/php") || tapAlias.contains("Error") {
+            print("The user does not appear to have tapped: shivammathur/php")
+            return false
+        } else {
+            print("The user DOES have the following tapped: shivammathur/php")
+            print("Checking for `php` formula conflicts...")
+            
+            let tapPhp = try! JSONDecoder().decode(
+                [HomebrewPackage].self,
+                from: tapAlias.data(using: .utf8)!
+            ).first!
+            
+            if tapPhp.version != App.shared.brewPhpVersion {
+                print("The `php` formula alias seems to be the different between the tap and core. This could be a problem!")
+                print("Determining whether both of these versions are installed...")
+                
+                let bothInstalled = App.shared.availablePhpVersions.contains(tapPhp.version)
+                    && App.shared.availablePhpVersions.contains(App.shared.brewPhpVersion)
+                
+                if bothInstalled {
+                    print("Both conflicting aliases seem to be installed, warning the user!")
+                } else {
+                    print("Conflicting aliases are not both installed, seems fine!")
+                }
+                
+                return bothInstalled
+            }
+            
+            print("All seems to be OK. No conflicts, both are PHP \(tapPhp.version).")
+            
+            return false
+        }
+    }
+}

phpmon/Domain/Helpers/HomebrewPackage.swift

@@ -0,0 +1,29 @@
+//
+//  HomebrewPackage.swift
+//  PHP Monitor
+//
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+
+struct HomebrewPackage: Decodable {
+    
+    let name: String
+    let full_name: String
+    let aliases: [String]
+    let installed: [HomebrewInstalled]
+    let linked_keg: String?
+    
+    public var version: String {
+        return aliases.first!.replacingOccurrences(of: "php@", with: "")
+    }
+    
+}
+
+struct HomebrewInstalled: Decodable {
+    let version: String
+    let built_as_bottle: Bool
+    let installed_as_dependency: Bool
+    let installed_on_request: Bool
+}

phpmon/Domain/Helpers/LocalNotification.swift

@@ -0,0 +1,19 @@
+//
+//  LocalNotification.swift
+//  PHP Monitor
+//
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+
+class LocalNotification {
+    
+    public static func send(title: String, subtitle: String) {
+        let notification = NSUserNotification()
+        notification.title = title
+        notification.subtitle = subtitle
+        NSUserNotificationCenter.default.deliver(notification)
+    }
+    
+}

phpmon/Domain/Helpers/MenuBarImageGenerator.swift

@@ -1,21 +1,21 @@
 //
 //  ImageGenerator.swift
-//  phpmon
+//  PHP Monitor
 //
-//  Created by Nico Verbruggen on 11/06/2019.
-//  Copyright © 2019 Nico Verbruggen. All rights reserved.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
 //
 
 import Cocoa
 
-class ImageGenerator {
+class MenuBarImageGenerator {
     
-    public static func generateImageForStatusBar(width: CGFloat = 30.0, height: CGFloat = 20.0, text: String) -> NSImage {
-        let image = NSImage(size: NSMakeSize(width, height))
-        let font = NSFont.systemFont(ofSize: 14)
+    /**
+     Takes a string and converts it to an image that can be displayed in the menu bar.
+     The width of the NSImage depends on the length of the text.
+     */
+    public static func textToImage(text: String) -> NSImage {
         
-        let imageRect = CGRect(x: 0, y: 0, width: image.size.width, height: image.size.height)
-        let textRect = CGRect(x: 5, y: -1, width: image.size.width, height: image.size.height)
+        let font = NSFont.systemFont(ofSize: 14, weight: .medium)
         
         let textStyle = NSMutableParagraphStyle.default.mutableCopy() as! NSMutableParagraphStyle
         let textFontAttributes = [
@@ -24,8 +24,23 @@ class ImageGenerator {
             NSAttributedString.Key.paragraphStyle: textStyle
         ]
         
-        let targetImage: NSImage = NSImage(size: image.size)
+        let padding : CGFloat = 2.0;
         
+        // Create an attributed string so we'll know how wide the item will need to be
+        let attributedString = NSAttributedString(string: text, attributes: textFontAttributes)
+        let textSize = attributedString.size()
+        
+        // Add padding to the width of the menu bar item
+        let size = NSSize(width: textSize.width + (2 * padding), height: textSize.height)
+        let image = NSImage(size: size)
+        
+        // Set the image rect with the appropriate dimensions
+        let imageRect = CGRect(x: 0, y: 0, width: image.size.width, height: image.size.height)
+        
+        // Position the text inside the image rect
+        let textRect = CGRect(x: padding, y: 0.5, width: image.size.width, height: image.size.height)
+        
+        let targetImage: NSImage = NSImage(size: image.size)
         let rep: NSBitmapImageRep = NSBitmapImageRep(
             bitmapDataPlanes: nil,
             pixelsWide: Int(image.size.width),

phpmon/Domain/Menu/HeaderView.swift

@@ -0,0 +1,25 @@
+//
+//  HeaderView.swift
+//  PHP Monitor
+//
+//  Created by Nico Verbruggen on 04/02/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+import Cocoa
+
+class HeaderView: NSView, XibLoadable {
+    
+    @IBOutlet weak var textField: NSTextField!
+    
+    static func asMenuItem(text: String) -> NSMenuItem {
+        let view = Self.createFromXib()
+        view!.textField.stringValue = text.uppercased()
+        let item = NSMenuItem()
+        item.view = view
+        item.target = self
+        return item
+    }
+    
+}

phpmon/Domain/Menu/HeaderView.xib

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="17701" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+    <dependencies>
+        <deployment identifier="macosx"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="17701"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <customObject id="-2" userLabel="File's Owner"/>
+        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <customView id="c22-O7-iKe" customClass="HeaderView" customModule="PHP_Monitor" customModuleProvider="target">
+            <rect key="frame" x="0.0" y="0.0" width="350" height="24"/>
+            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+            <subviews>
+                <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="ddg-VQ-cOT">
+                    <rect key="frame" x="12" y="5" width="113" height="15"/>
+                    <textFieldCell key="cell" lineBreakMode="clipping" alignment="left" title="ACTIVE SERVICES" id="NHz-MZ-8FK">
+                        <font key="font" metaFont="systemBold" size="12"/>
+                        <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
+                        <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                    </textFieldCell>
+                </textField>
+            </subviews>
+            <constraints>
+                <constraint firstItem="ddg-VQ-cOT" firstAttribute="centerY" secondItem="c22-O7-iKe" secondAttribute="centerY" id="n4Z-WN-RIh"/>
+                <constraint firstItem="ddg-VQ-cOT" firstAttribute="leading" secondItem="c22-O7-iKe" secondAttribute="leading" constant="14" id="yuW-pb-GQJ"/>
+            </constraints>
+            <connections>
+                <outlet property="textField" destination="ddg-VQ-cOT" id="aaQ-Xb-o2X"/>
+            </connections>
+            <point key="canvasLocation" x="-75" y="38"/>
+        </customView>
+    </objects>
+</document>

phpmon/Domain/Menu/MainMenu.swift

@@ -0,0 +1,385 @@
+//
+//  MainMenu.swift
+//  PHP Monitor
+//
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Cocoa
+
+class MainMenu: NSObject, NSWindowDelegate, NSMenuDelegate {
+
+    static let shared = MainMenu()
+    
+    weak var menuDelegate: NSMenuDelegate? = nil
+    
+    /**
+     The status bar item with variable length.
+     */
+    let statusItem = NSStatusBar.system.statusItem(
+        withLength: NSStatusItem.variableLength
+    )
+    
+    // MARK: - UI related
+    
+    /**
+     Kick off the startup of the rendering of the main menu.
+     */
+    func startup() {
+        // Start with the icon
+        setStatusBar(image: NSImage(named: NSImage.Name("StatusBarIcon"))!)
+        
+        // Perform environment boot checks
+        DispatchQueue.global(qos: .userInitiated).async { [unowned self] in
+            Startup().checkEnvironment(success: { onEnvironmentPass() },
+                                       failure: { onEnvironmentFail() }
+            )
+        }
+    }
+    
+    /**
+     When the environment is all clear and the app can run, let's go.
+     */
+    private func onEnvironmentPass() {
+        _ = Actions.detectPhpVersions()
+        
+        if HomebrewDiagnostics.shared.errors.contains(.aliasConflict) {
+            DispatchQueue.main.async {
+                Alert.notify(
+                    message: "alert.php_alias_conflict.title".localized,
+                    info: "alert.php_alias_conflict.info".localized,
+                    style: .critical
+                )
+            }
+        }
+        
+        updatePhpVersionInStatusBar()
+        
+        let installation = App.phpInstall!
+        installation.notifyAboutBrokenPhpFpm()
+        
+        // Schedule a request to fetch the PHP version every 60 seconds
+        DispatchQueue.main.async { [self] in
+            App.shared.timer = Timer.scheduledTimer(
+                timeInterval: 60,
+                target: self,
+                selector: #selector(updatePhpVersionInStatusBar),
+                userInfo: nil,
+                repeats: true
+            )
+        }
+    }
+    
+    /**
+     When the environment is not OK, present an alert to inform the user.
+     */
+    private func onEnvironmentFail() {
+        DispatchQueue.main.async { [self] in
+            let close = Alert.present(
+                messageText: "alert.cannot_start.title".localized,
+                informativeText: "alert.cannot_start.info".localized,
+                buttonTitle: "alert.cannot_start.close".localized,
+                secondButtonTitle: "alert.cannot_start.retry".localized
+            )
+            
+            if (close) {
+                exit(1)
+            }
+            
+            startup()
+        }
+    }
+    
+    /**
+     Update the menu's contents, based on what's going on.
+     */
+    func update() {
+        // Update the menu item on the main thread
+        DispatchQueue.main.async { [self] in
+            // Create a new menu
+            let menu = StatusMenu()
+            
+            // Add the PHP versions (or error messages)
+            menu.addPhpVersionMenuItems()
+            menu.addItem(NSMenuItem.separator())
+            
+            // Add the possible actions
+            menu.addPhpActionMenuItems()
+            menu.addItem(NSMenuItem.separator())
+            
+            // Add information about services & actions
+            menu.addPhpConfigurationMenuItems()
+            menu.addItem(NSMenuItem.separator())
+            
+            // Add about & quit menu items
+            menu.addItem(NSMenuItem(title: "mi_preferences".localized, action: #selector(openPrefs), keyEquivalent: ","))
+            menu.addItem(NSMenuItem(title: "mi_about".localized, action: #selector(openAbout), keyEquivalent: ""))
+            menu.addItem(NSMenuItem(title: "mi_quit".localized, action: #selector(terminateApp), keyEquivalent: "q"))
+            
+            // Make sure every item can be interacted with
+            menu.items.forEach({ (item) in
+                item.target = self
+            })
+            
+            statusItem.menu = menu
+            statusItem.menu?.delegate = self
+        }
+    }
+    
+    /**
+     Sets the status bar image based on a version string.
+     */
+    func setStatusBarImage(version: String) {
+        setStatusBar(
+            image: MenuBarImageGenerator.textToImage(text: version)
+        )
+    }
+    
+    /**
+     Sets the status bar image, based on the provided NSImage.
+     The image will be used as a template image.
+     */
+    func setStatusBar(image: NSImage) {
+        if let button = statusItem.button {
+            image.isTemplate = true
+            button.image = image
+        }
+    }
+    
+    // MARK: - Nicer callbacks
+    
+    /**
+     Executes a specific callback and fires the completion callback,
+     while updating the UI as required. As long as the completion callback
+     does not fire, the app is presumed to be busy and the UI reflects this.
+     
+     - Parameter execute: Callback of the work that needs to happen.
+     - Parameter completion: Callback that is fired when the work is done.
+     */
+    private func waitAndExecute(_ execute: @escaping () -> Void, completion: @escaping () -> Void = {})
+    {
+        App.shared.busy = true
+        setBusyImage()
+        DispatchQueue.global(qos: .userInitiated).async { [unowned self] in
+            update()
+            execute()
+            App.shared.busy = false
+            
+            DispatchQueue.main.async { [self] in
+                updatePhpVersionInStatusBar()
+                update()
+                completion()
+            }
+        }
+    }
+    
+    // MARK: - User Interface
+    
+    @objc func updatePhpVersionInStatusBar() {
+        App.shared.currentInstall = ActivePhpInstallation()
+        refreshIcon()
+        update()
+    }
+    
+    func refreshIcon() {
+        DispatchQueue.main.async { [self] in
+            if (App.busy) {
+                setStatusBar(image: NSImage(named: NSImage.Name("StatusBarIcon"))!)
+            } else {
+                if Preferences.preferences[.shouldDisplayDynamicIcon] as! Bool == false {
+                    // Static icon has been requested
+                    setStatusBar(image: NSImage(named: NSImage.Name("StatusBarIconStatic"))!)
+                } else {
+                    // The dynamic icon has been requested
+                    let long = Preferences.preferences[.fullPhpVersionDynamicIcon] as! Bool
+                    setStatusBarImage(version: long ? App.phpInstall!.version.long  : App.phpInstall!.version.short)
+                }
+            }
+        }
+    }
+    
+    @objc func reloadPhpMonitorMenu() {
+        waitAndExecute {
+            // This automatically reloads the menu
+            print("Reloading information about the PHP installation...")
+        } completion: {
+            // Add a slight delay to make sure it loads the new menu
+            DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
+                // Open the menu again
+                MainMenu.shared.statusItem.button?.performClick(nil)
+            }
+        }
+    }
+    
+    @objc func setBusyImage() {
+        DispatchQueue.main.async { [self] in
+            setStatusBar(image: NSImage(named: NSImage.Name("StatusBarIcon"))!)
+        }
+    }
+    
+    // MARK: - Actions
+    
+    @objc func restartPhpFpm() {
+        waitAndExecute {
+            Actions.restartPhpFpm()
+        }
+    }
+    
+    @objc func restartAllServices() {
+        waitAndExecute {
+            Actions.restartDnsMasq()
+            Actions.restartPhpFpm()
+            Actions.restartNginx()
+        } completion: {
+            DispatchQueue.main.async {
+                LocalNotification.send(
+                    title: "notification.services_restarted".localized,
+                    subtitle: "notification.services_restarted_desc".localized
+                )
+            }
+        }
+    }
+    
+    @objc func stopAllServices() {
+        waitAndExecute {
+            Actions.stopAllServices()
+        } completion: {
+            DispatchQueue.main.async {
+                LocalNotification.send(
+                    title: "notification.services_stopped".localized,
+                    subtitle: "notification.services_stopped_desc".localized
+                )
+            }
+        }
+    }
+    
+    @objc func restartNginx() {
+        waitAndExecute {
+            Actions.restartNginx()
+        }
+    }
+    
+    @objc func restartDnsMasq() {
+        waitAndExecute {
+            Actions.restartDnsMasq()
+        }
+    }
+    
+    @objc func toggleExtension(sender: ExtensionMenuItem) {
+        waitAndExecute {
+            sender.phpExtension?.toggle()
+            
+            if Preferences.preferences[.autoServiceRestartAfterExtensionToggle] as! Bool == true {
+                Actions.restartPhpFpm()
+            }
+        }
+    }
+    
+    @objc func openPhpInfo() {
+        waitAndExecute {
+            // Write a file called `phpmon_phpinfo.php` to /tmp
+            try! "<?php phpinfo();".write(toFile: "/tmp/phpmon_phpinfo.php", atomically: true, encoding: .utf8)
+            
+            // Tell php-cgi to run the PHP and output as an .html file
+            Shell.run("\(Paths.binPath)/php-cgi -q /tmp/phpmon_phpinfo.php > /tmp/phpmon_phpinfo.html")
+        } completion: {
+            // When this has been completed, open the URL to the file in the browser
+            NSWorkspace.shared.open(URL(string: "file:///private/tmp/phpmon_phpinfo.html")!)
+        }
+    }
+    
+    @objc func forceRestartLatestPhp() {
+        // Tell the user the switch is about to occur
+        Alert.notify(message: "alert.force_reload.title".localized, info: "alert.force_reload.info".localized)
+        
+        // Start switching
+        waitAndExecute {
+            Actions.fixMyPhp()
+        } completion: {
+            Alert.notify(message: "alert.force_reload_done.title".localized, info: "alert.force_reload_done.info".localized)
+        }
+    }
+    
+    @objc func openActiveConfigFolder() {
+        if (App.phpInstall!.version.error) {
+            // php version was not identified
+            Actions.openGenericPhpConfigFolder()
+            return
+        }
+        
+        // php version was identified
+        Actions.openPhpConfigFolder(version: App.phpInstall!.version.short)
+    }
+    
+    @objc func openGlobalComposerFolder() {
+        Actions.openGlobalComposerFolder()
+    }
+    
+    @objc func openValetConfigFolder() {
+        Actions.openValetConfigFolder()
+    }
+    
+    @objc func switchToPhpVersion(sender: PhpMenuItem) {
+        setBusyImage()
+        App.shared.busy = true
+        
+        DispatchQueue.global(qos: .userInitiated).async { [unowned self] in
+            // Update the PHP version in the status bar
+            updatePhpVersionInStatusBar()
+            
+            // Update the menu
+            update()
+            
+            let completion = {
+                // Mark as no longer busy
+                App.shared.busy = false
+                
+                // Perform UI updates on main thread
+                DispatchQueue.main.async { [self] in
+                    updatePhpVersionInStatusBar()
+                    update()
+                    
+                    // Send a notification that the switch has been completed
+                    LocalNotification.send(
+                        title: String(format: "notification.version_changed_title".localized, sender.version),
+                        subtitle: String(format: "notification.version_changed_desc".localized, sender.version)
+                    )
+                    
+                    App.phpInstall?.notifyAboutBrokenPhpFpm()
+                }
+            }
+            
+            // Switch the PHP version
+            Actions.switchToPhpVersion(
+                version: sender.version,
+                availableVersions: App.shared.availablePhpVersions,
+                completed: completion
+            )
+        }
+    }
+    
+    @objc func openAbout() {
+        NSApplication.shared.activate(ignoringOtherApps: true)
+        NSApplication.shared.orderFrontStandardAboutPanel()
+    }
+    
+    @objc func openPrefs() {
+        PrefsVC.show()
+    }
+    
+    @objc func terminateApp() {
+        NSApplication.shared.terminate(nil)
+    }
+    
+    // MARK: - Menu Delegate
+    
+    func menuWillOpen(_ menu: NSMenu) {
+        // Make sure the shortcut key does not trigger this when the menu is open
+        App.shared.shortcutHotkey?.isPaused = true
+    }
+    
+    func menuDidClose(_ menu: NSMenu) {
+        // When the menu is closed, allow the shortcut to work again
+        App.shared.shortcutHotkey?.isPaused = false
+    }
+}

phpmon/Domain/Menu/StatsView.swift

@@ -0,0 +1,36 @@
+//
+//  StatsView.swift
+//  PHP Monitor
+//
+//  Created by Nico Verbruggen on 04/02/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+import Cocoa
+
+class StatsView: NSView, XibLoadable {
+    
+    @IBOutlet weak var titleMemLimit: NSTextField!
+    @IBOutlet weak var titleMaxPost: NSTextField!
+    @IBOutlet weak var titleMaxUpload: NSTextField!
+    
+    @IBOutlet weak var labelMemLimit: NSTextField!
+    @IBOutlet weak var labelMaxPost: NSTextField!
+    @IBOutlet weak var labelMaxUpload: NSTextField!
+    
+    static func asMenuItem(memory: String, post: String, upload: String) -> NSMenuItem {
+        let view = Self.createFromXib()
+        view!.titleMemLimit.stringValue = "mi_memory_limit".localized.uppercased()
+        view!.titleMaxPost.stringValue = "mi_post_max_size".localized.uppercased()
+        view!.titleMaxUpload.stringValue = "mi_upload_max_filesize".localized.uppercased()
+        view!.labelMemLimit.stringValue = memory
+        view!.labelMaxPost.stringValue = post
+        view!.labelMaxUpload.stringValue = upload
+        let item = NSMenuItem()
+        item.view = view
+        item.target = self
+        return item
+    }
+    
+}

phpmon/Domain/Menu/StatsView.xib

@@ -0,0 +1,144 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="17701" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+    <dependencies>
+        <deployment identifier="macosx"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="17701"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <customObject id="-2" userLabel="File's Owner"/>
+        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <customView id="c22-O7-iKe" customClass="StatsView" customModule="PHP_Monitor" customModuleProvider="target">
+            <rect key="frame" x="0.0" y="0.0" width="341" height="55"/>
+            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+            <subviews>
+                <stackView distribution="fillEqually" orientation="horizontal" alignment="top" spacing="20" horizontalStackHuggingPriority="249.99998474121094" verticalStackHuggingPriority="249.99998474121094" detachesHiddenViews="YES" translatesAutoresizingMaskIntoConstraints="NO" id="TnH-dX-qaQ">
+                    <rect key="frame" x="30" y="6" width="281" height="43"/>
+                    <subviews>
+                        <stackView distribution="fill" orientation="vertical" alignment="centerX" spacing="2" horizontalStackHuggingPriority="249.99998474121094" verticalStackHuggingPriority="249.99998474121094" detachesHiddenViews="YES" translatesAutoresizingMaskIntoConstraints="NO" id="doH-ww-BDw">
+                            <rect key="frame" x="0.0" y="4" width="87" height="35"/>
+                            <subviews>
+                                <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="At1-ch-qv2">
+                                    <rect key="frame" x="-2" y="21" width="91" height="14"/>
+                                    <textFieldCell key="cell" lineBreakMode="clipping" alignment="center" title="MEMORY LIMIT" id="LKe-C4-jxo">
+                                        <font key="font" metaFont="systemMedium" size="11"/>
+                                        <color key="textColor" name="secondaryLabelColor" catalog="System" colorSpace="catalog"/>
+                                        <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                    </textFieldCell>
+                                </textField>
+                                <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="Emt-m3-Dt6">
+                                    <rect key="frame" x="16" y="0.0" width="55" height="19"/>
+                                    <textFieldCell key="cell" lineBreakMode="clipping" title="1024M" id="H6T-wY-PIG">
+                                        <font key="font" metaFont="systemMedium" size="16"/>
+                                        <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
+                                        <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                    </textFieldCell>
+                                </textField>
+                            </subviews>
+                            <visibilityPriorities>
+                                <integer value="1000"/>
+                                <integer value="1000"/>
+                            </visibilityPriorities>
+                            <customSpacing>
+                                <real value="3.4028234663852886e+38"/>
+                                <real value="3.4028234663852886e+38"/>
+                            </customSpacing>
+                        </stackView>
+                        <stackView distribution="fillEqually" orientation="vertical" alignment="centerX" spacing="2" horizontalStackHuggingPriority="249.99998474121094" verticalStackHuggingPriority="249.99998474121094" detachesHiddenViews="YES" translatesAutoresizingMaskIntoConstraints="NO" id="g4d-4N-NkC">
+                            <rect key="frame" x="107" y="4" width="77" height="35"/>
+                            <subviews>
+                                <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="7um-XA-djV">
+                                    <rect key="frame" x="7" y="21" width="63" height="14"/>
+                                    <textFieldCell key="cell" lineBreakMode="clipping" title="MAX POST" id="Qfq-Bl-yuh">
+                                        <font key="font" metaFont="systemMedium" size="11"/>
+                                        <color key="textColor" name="secondaryLabelColor" catalog="System" colorSpace="catalog"/>
+                                        <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                    </textFieldCell>
+                                </textField>
+                                <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="Vyu-AO-8SH">
+                                    <rect key="frame" x="11" y="0.0" width="55" height="19"/>
+                                    <textFieldCell key="cell" lineBreakMode="clipping" title="1024M" id="uH4-Zy-43x">
+                                        <font key="font" metaFont="systemMedium" size="16"/>
+                                        <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
+                                        <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                    </textFieldCell>
+                                </textField>
+                            </subviews>
+                            <visibilityPriorities>
+                                <integer value="1000"/>
+                                <integer value="1000"/>
+                            </visibilityPriorities>
+                            <customSpacing>
+                                <real value="3.4028234663852886e+38"/>
+                                <real value="3.4028234663852886e+38"/>
+                            </customSpacing>
+                        </stackView>
+                        <stackView distribution="fill" orientation="vertical" alignment="centerX" spacing="2" horizontalStackHuggingPriority="249.99998474121094" verticalStackHuggingPriority="249.99998474121094" detachesHiddenViews="YES" translatesAutoresizingMaskIntoConstraints="NO" id="nWj-33-m8Q">
+                            <rect key="frame" x="204" y="4" width="77" height="35"/>
+                            <subviews>
+                                <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="Oef-6n-9QI">
+                                    <rect key="frame" x="-1" y="21" width="79" height="14"/>
+                                    <textFieldCell key="cell" lineBreakMode="clipping" title="MAX UPLOAD" id="lGh-MT-TgI">
+                                        <font key="font" metaFont="systemMedium" size="11"/>
+                                        <color key="textColor" name="secondaryLabelColor" catalog="System" colorSpace="catalog"/>
+                                        <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                    </textFieldCell>
+                                </textField>
+                                <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="eHT-tr-Kwx">
+                                    <rect key="frame" x="11" y="0.0" width="55" height="19"/>
+                                    <textFieldCell key="cell" lineBreakMode="clipping" title="1024M" id="1iA-Ri-zYY">
+                                        <font key="font" metaFont="systemMedium" size="16"/>
+                                        <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
+                                        <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                    </textFieldCell>
+                                </textField>
+                            </subviews>
+                            <visibilityPriorities>
+                                <integer value="1000"/>
+                                <integer value="1000"/>
+                            </visibilityPriorities>
+                            <customSpacing>
+                                <real value="3.4028234663852886e+38"/>
+                                <real value="3.4028234663852886e+38"/>
+                            </customSpacing>
+                        </stackView>
+                    </subviews>
+                    <constraints>
+                        <constraint firstItem="nWj-33-m8Q" firstAttribute="top" secondItem="TnH-dX-qaQ" secondAttribute="top" constant="4" id="CAY-Pw-B8n"/>
+                        <constraint firstAttribute="bottom" secondItem="doH-ww-BDw" secondAttribute="bottom" constant="4" id="Dq4-M6-1Wf"/>
+                        <constraint firstItem="g4d-4N-NkC" firstAttribute="top" secondItem="TnH-dX-qaQ" secondAttribute="top" constant="4" id="bls-fM-H4b"/>
+                        <constraint firstAttribute="bottom" secondItem="nWj-33-m8Q" secondAttribute="bottom" constant="4" id="f6j-eI-wiH"/>
+                        <constraint firstAttribute="bottom" secondItem="g4d-4N-NkC" secondAttribute="bottom" constant="4" id="faS-Mo-Qa2"/>
+                        <constraint firstItem="doH-ww-BDw" firstAttribute="top" secondItem="TnH-dX-qaQ" secondAttribute="top" constant="4" id="gL3-5S-OKo"/>
+                    </constraints>
+                    <visibilityPriorities>
+                        <integer value="1000"/>
+                        <integer value="1000"/>
+                        <integer value="1000"/>
+                    </visibilityPriorities>
+                    <customSpacing>
+                        <real value="3.4028234663852886e+38"/>
+                        <real value="3.4028234663852886e+38"/>
+                        <real value="3.4028234663852886e+38"/>
+                    </customSpacing>
+                </stackView>
+            </subviews>
+            <constraints>
+                <constraint firstItem="TnH-dX-qaQ" firstAttribute="top" secondItem="c22-O7-iKe" secondAttribute="top" constant="6" id="1mo-iG-Z0D"/>
+                <constraint firstAttribute="trailing" secondItem="TnH-dX-qaQ" secondAttribute="trailing" constant="30" id="3dD-wf-5pS"/>
+                <constraint firstItem="TnH-dX-qaQ" firstAttribute="leading" secondItem="c22-O7-iKe" secondAttribute="leading" constant="30" id="S8i-CD-j3h"/>
+                <constraint firstAttribute="bottom" secondItem="TnH-dX-qaQ" secondAttribute="bottom" constant="6" id="eve-qD-gUH"/>
+            </constraints>
+            <connections>
+                <outlet property="labelMaxPost" destination="Vyu-AO-8SH" id="5Cm-QO-hJQ"/>
+                <outlet property="labelMaxUpload" destination="eHT-tr-Kwx" id="5pK-FD-c4h"/>
+                <outlet property="labelMemLimit" destination="Emt-m3-Dt6" id="6nD-Su-XZ6"/>
+                <outlet property="titleMaxPost" destination="7um-XA-djV" id="5MN-Xb-XwL"/>
+                <outlet property="titleMaxUpload" destination="Oef-6n-9QI" id="Q61-JI-RJq"/>
+                <outlet property="titleMemLimit" destination="At1-ch-qv2" id="SQT-B9-sWS"/>
+            </connections>
+            <point key="canvasLocation" x="-84.5" y="44"/>
+        </customView>
+    </objects>
+</document>

phpmon/Domain/Menu/StatusMenu.swift

@@ -0,0 +1,162 @@
+//
+//  MainMenuBuilder.swift
+//  PHP Monitor
+//
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Cocoa
+
+class StatusMenu : NSMenu {
+    func addPhpVersionMenuItems() {
+        if App.shared.currentInstall == nil {
+            return
+        }
+        
+        if App.phpInstall!.version.error {
+            for message in ["mi_php_broken_1", "mi_php_broken_2", "mi_php_broken_3", "mi_php_broken_4"] {
+                addItem(NSMenuItem(title: message.localized, action: nil, keyEquivalent: ""))
+            }
+            return
+        }
+    
+        let phpVersionText = "\("mi_php_version".localized) \(App.phpInstall!.version.long)"
+        addItem(HeaderView.asMenuItem(text: phpVersionText))
+    }
+    
+    func addPhpActionMenuItems() {
+        if App.busy {
+            addItem(NSMenuItem(title: "mi_busy".localized, action: nil, keyEquivalent: ""))
+            return
+        }
+        
+        if App.shared.availablePhpVersions.count == 0 {
+            return
+        }
+        
+        self.addSwitchToPhpMenuItems()
+        self.addItem(NSMenuItem.separator())
+        self.addServicesMenuItems()
+    }
+    
+    private func addSwitchToPhpMenuItems() {
+        var shortcutKey = 1
+        for index in (0..<App.shared.availablePhpVersions.count).reversed() {
+            
+            // Get the short and long version
+            let shortVersion = App.shared.availablePhpVersions[index]
+            let longVersion = App.shared.cachedPhpInstallations[shortVersion]!.longVersion
+            
+            let long = Preferences.preferences[.fullPhpVersionDynamicIcon] as! Bool
+            let versionString = long ? longVersion : shortVersion
+            
+            let action = #selector(MainMenu.switchToPhpVersion(sender:))
+            let brew = (shortVersion == App.shared.brewPhpVersion) ? "php" : "php@\(shortVersion)"
+            let menuItem = PhpMenuItem(
+                title: "\("mi_php_switch".localized) \(versionString) (\(brew))",
+                action: (shortVersion == App.phpInstall?.version.short) ? nil : action, keyEquivalent: "\(shortcutKey)"
+            )
+            
+            menuItem.version = shortVersion
+            shortcutKey = shortcutKey + 1
+            
+            self.addItem(menuItem)
+        }
+    }
+    
+    private func addServicesMenuItems() {
+        self.addItem(HeaderView.asMenuItem(text: "mi_active_services".localized))
+        
+        let services = NSMenuItem(title: "mi_manage_services".localized, action: nil, keyEquivalent: "")
+        let servicesMenu = NSMenu()
+        servicesMenu.addItem(NSMenuItem(title: "mi_restart_dnsmasq".localized, action: #selector(MainMenu.restartDnsMasq), keyEquivalent: "d"))
+        servicesMenu.addItem(NSMenuItem(title: "mi_restart_php_fpm".localized, action: #selector(MainMenu.restartPhpFpm), keyEquivalent: "p"))
+        servicesMenu.addItem(NSMenuItem(title: "mi_restart_nginx".localized, action: #selector(MainMenu.restartNginx), keyEquivalent: "n"))
+        servicesMenu.addItem(
+            NSMenuItem(title: "mi_stop_all_services".localized, action: #selector(MainMenu.stopAllServices), keyEquivalent: "s"),
+            withKeyModifier: [.command, .shift]
+        )
+        for item in servicesMenu.items {
+            item.target = MainMenu.shared
+        }
+        self.setSubmenu(servicesMenu, for: services)
+        
+        self.addItem(NSMenuItem(title: "mi_force_load_latest".localized, action: #selector(MainMenu.forceRestartLatestPhp), keyEquivalent: "f"))
+        self.addItem(services)
+        self.addItem(NSMenuItem(title: "mi_restart_all_services".localized, action: #selector(MainMenu.restartAllServices), keyEquivalent: "s"))
+    }
+    
+    func addPhpConfigurationMenuItems() {
+        if App.shared.currentInstall == nil {
+            return
+        }
+        
+        // Configuration
+        self.addItem(HeaderView.asMenuItem(text: "mi_configuration".localized))
+        self.addItem(NSMenuItem(title: "mi_valet_config".localized, action: #selector(MainMenu.openValetConfigFolder), keyEquivalent: "v"))
+        self.addItem(NSMenuItem(title: "mi_global_composer".localized, action: #selector(MainMenu.openGlobalComposerFolder), keyEquivalent: "g"))
+        self.addItem(NSMenuItem(title: "mi_php_config".localized, action: #selector(MainMenu.openActiveConfigFolder), keyEquivalent: "c"))
+        self.addItem(NSMenuItem(title: "mi_phpinfo".localized, action: #selector(MainMenu.openPhpInfo), keyEquivalent: "i"))
+        
+        if (App.shared.busy) {
+            return
+        }
+        
+        let stats = App.phpInstall!.configuration
+        
+        // Stats
+        self.addItem(NSMenuItem.separator())
+        self.addItem(StatsView.asMenuItem(
+            memory: stats!.memory_limit,
+            post: stats!.post_max_size,
+            upload: stats!.upload_max_filesize)
+        )
+        
+        // Extensions
+        self.addItem(NSMenuItem.separator())
+        self.addItem(HeaderView.asMenuItem(text: "mi_detected_extensions".localized))
+        
+        if (App.phpInstall!.extensions.count == 0) {
+            self.addItem(NSMenuItem(title: "mi_no_extensions_detected".localized, action: nil, keyEquivalent: ""))
+        }
+        
+        var shortcutKey = 1
+        for phpExtension in App.phpInstall!.extensions {
+            self.addExtensionItem(phpExtension, shortcutKey)
+            shortcutKey += 1
+        }
+        
+        self.addItem(NSMenuItem.separator())
+        
+        self.addItem(NSMenuItem(title: "mi_php_refresh".localized, action: #selector(MainMenu.reloadPhpMonitorMenu), keyEquivalent: "r"))
+    }
+    
+    private func addExtensionItem(_ phpExtension: PhpExtension, _ shortcutKey: Int) {
+        let keyEquivalent = shortcutKey < 9 ? "\(shortcutKey)" : ""
+        
+        let menuItem = ExtensionMenuItem(
+            title: "\(phpExtension.name) (\(phpExtension.fileNameOnly))",
+            action: #selector(MainMenu.toggleExtension),
+            keyEquivalent: keyEquivalent
+        )
+        
+        if menuItem.keyEquivalent != "" {
+            menuItem.keyEquivalentModifierMask = [.option]
+        }
+        
+        menuItem.state = phpExtension.enabled ? .on : .off
+        menuItem.phpExtension = phpExtension
+        
+        self.addItem(menuItem)
+    }
+}
+
+// MARK: - In order to store extra data in each item, NSMenuItem is subclassed
+
+class PhpMenuItem: NSMenuItem {
+    var version: String = ""
+}
+
+class ExtensionMenuItem: NSMenuItem {
+    var phpExtension: PhpExtension? = nil
+}

phpmon/Domain/PHP/ActivePhpInstallation.swift

@@ -0,0 +1,174 @@
+//
+//  ActivePhpInstallation.swift
+//  PHP Monitor
+//
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+
+/**
+ An installed version of PHP, that was detected by scanning the `/opt/php@version/bin` directory.
+ 
+ When initialized, that version's .ini files are also scanned (for active or inactive extensions).
+ Integrity checks can be performed to determine whether PHP-FPM is configured correctly.
+ 
+ - Note: Each installation has a separate version number. Using `version.short` is advisable if you want to interact with Homebrew.
+ */
+class ActivePhpInstallation {
+
+    var version: Version!
+    var configuration: Configuration!
+    var extensions: [PhpExtension]!
+    
+    // MARK: - Computed
+    
+    var formula: String {
+        return (version.short == App.shared.brewPhpVersion) ? "php" : "php@\(version.short)"
+    }
+    
+    // MARK: - Initializer
+
+    init() {
+        // Show information about the current version
+        self.getVersion()
+        
+        // If an error occurred, exit early
+        if (version.error) {
+            configuration = Configuration()
+            extensions = []
+            return
+        }
+        
+        // Load extension information
+        let path = URL(fileURLWithPath: "\(Paths.etcPath)/php/\(version.short)/php.ini")
+        extensions = PhpExtension.load(from: path)
+        
+        // Get configuration values
+        configuration = Configuration(
+            memory_limit: self.getByteCount(key: "memory_limit"),
+            upload_max_filesize: self.getByteCount(key: "upload_max_filesize"),
+            post_max_size: self.getByteCount(key: "post_max_size")
+        )
+        
+        // Return a list of .ini files parsed after php.ini
+        let paths = Command.execute(path: Paths.php, arguments: ["-r", "echo php_ini_scanned_files();"])
+            .replacingOccurrences(of: "\n", with: "")
+            .split(separator: ",")
+            .map { String($0) }
+        
+        // See if any extensions are present in said .ini files
+        paths.forEach { (iniFilePath) in
+            let extensions = PhpExtension.load(from: URL(fileURLWithPath: iniFilePath))
+            if extensions.count > 0 {
+                self.extensions.append(contentsOf: extensions)
+            }
+        }
+    }
+    
+    /**
+     When the app tries to retrieve the version, the installation is considered broken if the output is nothing,
+     _or_ if the output contains the word "Warning" or "Error". In normal situations this should not be the case.
+     */
+    private func getVersion() -> Void {
+        self.version = Version()
+        
+        let version = Command.execute(path: Paths.phpConfig, arguments: ["--version"], trimNewlines: true)
+        
+        if (version == "" || version.contains("Warning") || version.contains("Error")) {
+            self.version.short = "💩 BROKEN"
+            self.version.long = ""
+            self.version.error = true
+            return
+        }
+        
+        // That's the long version
+        self.version.long = version
+        
+        // Next up, let's strip away the minor version number
+        let segments = self.version.long.components(separatedBy: ".")
+        
+        // Get the first two elements
+        self.version.short = segments[0...1].joined(separator: ".")
+    }
+    
+    /**
+     Retrieves the display value for a specific key in the `.ini` file.
+     
+     The following values are valid:
+     * -1: unlimited (show the infinity icon)
+     * 10000: an integer = amount of bytes
+     * 1K, 1M, 1G = shorthand for kilobytes, megabytes and gigabytes
+     
+     If none of these notations are used, the _fallback_ value is used. We'll show an emoji to indicate something has gone wrong here.
+     To clarify, B gets appended to valid values. As a result, "5M" (valid) becomes "5MB", and "5MB" (invalid) becomes ⚠️.
+     
+     - Parameter key: The key of the `ini` value that needs to be retrieved. For example, you can use `memory_limit`.
+     */
+    private func getByteCount(key: String) -> String {
+        let value = Command.execute(path: Paths.php, arguments: ["-r", "echo ini_get('\(key)');"])
+        
+        // Check if the value is unlimited
+        if (value == "-1") {
+            return "∞"
+        }
+        
+        // Check if the syntax is valid otherwise
+        let regex = try! NSRegularExpression(pattern: #"^([0-9]*)(K|M|G|)$"#, options: [])
+        let match = regex.matches(in: value, options: [], range: NSMakeRange(0, value.count)).first
+        return (match == nil) ? "⚠️" : "\(value)B"
+    }
+    
+    /**
+     It is always possible that the system configuration for PHP-FPM has not been set up for Valet.
+     This can occur when a user manually installs a new PHP version, but does not run `valet install`.
+     In that case, we should alert the user!
+     
+     - Important: The underlying check is `checkPhpFpmStatus`, which can be run multiple times.
+     This method actively presents a modal if said checks fails, so don't call this method too many times.
+     */
+    public func notifyAboutBrokenPhpFpm() {
+        if !self.checkPhpFpmStatus() {
+            DispatchQueue.main.async {
+                Alert.notify(
+                    message: "alert.php_fpm_broken.title".localized,
+                    info: "alert.php_fpm_broken.info".localized,
+                    style: .critical
+                )
+            }
+        }
+    }
+    
+    /**
+     Determine if PHP-FPM is configured correctly.
+     
+     For PHP 5.6, we'll check if `valet.sock` is included in the main `php-fpm.conf` file, but for more recent
+     versions of PHP, we can just check for the existence of the `valet-fpm.conf` file. If the check here fails,
+     that means that Valet won't work properly.
+     */
+    private func checkPhpFpmStatus() -> Bool {
+        if self.version.short == "5.6" {
+            // The main PHP config file should contain `valet.sock` and then we're probably fine?
+            let fileName = "\(Paths.etcPath)/php/5.6/php-fpm.conf"
+            return Shell.pipe("cat \(fileName)").contains("valet.sock")
+        }
+        
+        // Make sure to check if valet-fpm.conf exists. If it does, we should be fine :)
+        return Shell.fileExists("\(Paths.etcPath)/php/\(self.version.short)/php-fpm.d/valet-fpm.conf")
+    }
+    
+    // MARK: - Structs
+    
+    struct Version {
+        var short = "???"
+        var long = "???"
+        var error = false
+    }
+    
+    struct Configuration {
+        var memory_limit = "???"
+        var upload_max_filesize = "???"
+        var post_max_size = "???"
+    }
+    
+}

phpmon/Domain/PHP/PhpExtension.swift

@@ -0,0 +1,108 @@
+//
+//  PhpExtension.swift
+//  PHP Monitor
+//
+//  Created by Nico Verbruggen on 31/01/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+
+/**
+ A PHP extension that was detected in the php.ini file.
+ Please note that the extension may be disabled.
+ 
+ - Note: You need to know more about regular expressions to be able to deal with these NSRegularExpression
+ instances. You can find more information here: https://nshipster.com/swift-regular-expressions/
+ */
+class PhpExtension {
+    
+    /// The file where this extension was located.
+    var file: String
+    
+    /// The original string that was used to determine this extension is active.
+    var line: String
+    
+    /// The name of the extension. This is always identical to the name found in the original string. If you want to display this name, capitalize this.
+    var name: String
+    
+    /// Whether the extension has been enabled.
+    var enabled: Bool
+    
+    /// The file where this extension was located, but only the filename, not the full path to the .ini file.
+    var fileNameOnly: String {
+        return String(file.split(separator: "/").last ?? "php.ini")
+    }
+    
+    /**
+     This regular expression will allow us to identify lines which activate an extension.
+     
+     It will match the following items:
+     
+     * `extension="name.so"`
+     * `zend_extension="name.so"`
+     * `; extension="name.so"`
+     * `; zend_extension="name.so"`
+     
+     - Note: Extensions that are disabled in a different way will not be detected. This is intentional.
+     */
+    static let extensionRegex = #"^(extension|zend_extension|;(\s?)extension|;(\s?)zend_extension)(\s?)(=)(\s?)(?<name>["]?(?:\/?.\/?)+(?:\.so)"?)$"#
+    
+    /**
+     When registering an extension, we do that based on the line found inside the .ini file.
+     */
+    init(_ line: String, file: String) {
+        let regex = try! NSRegularExpression(pattern: Self.extensionRegex, options: [])
+        let match = regex.matches(in: line, options: [], range: NSMakeRange(0, line.count)).first
+        let range = Range(match!.range(withName: "name"), in: line)!
+        
+        self.line = line
+        
+        let fullPath = String(line[range])
+            .replacingOccurrences(of: "\"", with: "") // replace excess "
+            .replacingOccurrences(of: ".so", with: "") // replace excess .so
+        
+        self.name = String(fullPath.split(separator: "/").last!) // take last segment
+        
+        self.enabled = !line.contains(";")
+        self.file = file
+    }
+    
+    /**
+     This simply toggles the extension in the .ini file. You may need to restart the other services in order for this change to apply.
+     */
+    func toggle() {
+        let newLine = enabled
+            // DISABLED: Commented out line
+            ? "; \(line)"
+            // ENABLED: Line where the comment delimiter (;) is removed
+            : line.replacingOccurrences(of: "; ", with: "")
+        
+        Actions.sed(file: file, original: line, replacement: newLine)
+        
+        enabled.toggle()
+    }
+    
+    // MARK: - Static Methods
+    
+    /**
+     This method will attempt to identify all extensions in the .ini file at a certain URL.
+     */
+    static func load(from path: URL) -> [PhpExtension] {
+        let file = try? String(contentsOf: path, encoding: .utf8)
+        
+        if (file == nil) {
+            print("There was an issue reading the file. Assuming no extensions were found.")
+            return []
+        }
+        
+        return file!.components(separatedBy: "\n")
+            .filter {
+                return $0.range(of: Self.extensionRegex, options: .regularExpression) != nil
+            }
+            .map {
+                return PhpExtension($0, file: path.path)
+            }
+    }
+    
+}

phpmon/Domain/PHP/PhpInstallation.swift

@@ -0,0 +1,33 @@
+//
+//  BrewPhpInstallation.swift
+//  PHP Monitor
+//
+//  Created by Nico Verbruggen on 28/11/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+
+class PhpInstallation {
+    
+    var longVersion: String
+    var homebrewInfo: HomebrewPackage
+    
+    init(_ version: String) {
+        let phpConfigExecutablePath = "\(Paths.optPath)/php@\(version)/bin/php-config"
+        self.longVersion = version
+        if Shell.fileExists(phpConfigExecutablePath) {
+            self.longVersion = Command.execute(
+                path: phpConfigExecutablePath,
+                arguments: ["--version"]
+            )
+        }
+        
+        let info = Shell.pipe("\(Paths.brew) info php@\(version) --json")
+        self.homebrewInfo = try! JSONDecoder().decode(
+            [HomebrewPackage].self,
+            from: info.data(using: .utf8)!
+        ).first!
+    }
+    
+}

phpmon/Domain/Preferences/Keybinds/GlobalKeybindPreference.swift

@@ -0,0 +1,75 @@
+//
+//  GlobalKeybindPreference.swift
+//  PHP Monitor
+//
+//  Created by Nico Verbruggen on 15/04/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+
+struct GlobalKeybindPreference: Codable, CustomStringConvertible {
+    
+    // MARK: - Internal variables
+    
+    let function : Bool
+    let control : Bool
+    let command : Bool
+    let shift : Bool
+    let option : Bool
+    let capsLock : Bool
+    let carbonFlags : UInt32
+    let characters : String?
+    let keyCode : UInt32
+    
+    // MARK: - How the keybind is display in Preferences
+    
+    var description: String {
+        var stringBuilder = ""
+        if self.function {
+            stringBuilder += "Fn"
+        }
+        if self.control {
+            stringBuilder += "⌃"
+        }
+        if self.option {
+            stringBuilder += "⌥"
+        }
+        if self.command {
+            stringBuilder += "⌘"
+        }
+        if self.shift {
+            stringBuilder += "⇧"
+        }
+        if self.capsLock {
+            stringBuilder += "⇪"
+        }
+        if let characters = self.characters {
+            stringBuilder += characters.uppercased()
+        }
+        return "\(stringBuilder)"
+    }
+    
+    // MARK: - Persisting data to UserDefaults (as JSON)
+    
+    public func toJson() -> String {
+        let jsonData = try! JSONEncoder().encode(self)
+        return String(data: jsonData, encoding: .utf8)!
+    }
+    
+    public static func fromJson(_ string: String?) -> GlobalKeybindPreference? {
+        if string == nil {
+            return nil
+        }
+        
+        if let jsonData = string!.data(using: .utf8) {
+            let decoder = JSONDecoder()
+            do {
+                return try decoder.decode(GlobalKeybindPreference.self, from: jsonData)
+            } catch {
+                return nil
+            }
+        }
+        return nil
+    }
+}

phpmon/Domain/Preferences/Preferences.swift

@@ -0,0 +1,91 @@
+//
+//  Preferences.swift
+//  PHP Monitor
+//
+//  Created by Nico Verbruggen on 30/03/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+
+enum PreferenceName: String {
+    case wasLaunchedBefore = "launched_before"
+    case shouldDisplayDynamicIcon = "use_dynamic_icon"
+    case fullPhpVersionDynamicIcon = "full_php_in_menu_bar"
+    case autoServiceRestartAfterExtensionToggle = "auto_restart_after_extension_toggle"
+    case globalHotkey = "global_hotkey"
+}
+
+class Preferences {
+    
+    // MARK: - Singleton
+    
+    static var shared = Preferences()
+    
+    var cachedPreferences: [PreferenceName: Any?]
+    
+    public init() {
+        Preferences.handleFirstTimeLaunch()
+        self.cachedPreferences = Self.cache()
+    }
+    
+    // MARK: - First Time Run
+    
+    /**
+     Note: macOS seems to cache plist values in memory as well as in files.
+     You can find the persisted configuration file in: ~/Library/Preferences/com.nicoverbruggen.phpmon.plist
+     
+     To clear the cache, and get a first-run experience you may need to run:
+     ```
+     defaults delete com.nicoverbruggen.phpmon
+     killall cfprefsd
+     ```
+     */
+    static func handleFirstTimeLaunch() {
+        UserDefaults.standard.register(defaults: [
+            PreferenceName.shouldDisplayDynamicIcon.rawValue: true,
+            PreferenceName.fullPhpVersionDynamicIcon.rawValue: false,
+            PreferenceName.autoServiceRestartAfterExtensionToggle.rawValue: true
+        ])
+        
+        if UserDefaults.standard.bool(forKey: PreferenceName.wasLaunchedBefore.rawValue) {
+            return
+        }
+        print("Saving first-time preferences!")
+        UserDefaults.standard.setValue(true, forKey: PreferenceName.wasLaunchedBefore.rawValue)
+        UserDefaults.standard.synchronize()
+    }
+    
+    // MARK: - API
+    
+    static var preferences: [PreferenceName: Any?] {
+        return Self.shared.cachedPreferences
+    }
+    
+    // MARK: - Internal Functionality
+    
+    static func cache() -> [PreferenceName: Any] {
+        return [
+            // Part 1: Always Booleans
+            .shouldDisplayDynamicIcon: UserDefaults.standard.bool(forKey: PreferenceName.shouldDisplayDynamicIcon.rawValue) as Any,
+            .fullPhpVersionDynamicIcon: UserDefaults.standard.bool(forKey: PreferenceName.fullPhpVersionDynamicIcon.rawValue) as Any,
+            .autoServiceRestartAfterExtensionToggle: UserDefaults.standard.bool(forKey: PreferenceName.autoServiceRestartAfterExtensionToggle.rawValue) as Any,
+            
+            // Part 2: Always Strings
+            .globalHotkey: UserDefaults.standard.string(forKey: PreferenceName.globalHotkey.rawValue) as Any,
+        ]
+    }
+    
+    static func update(_ preference: PreferenceName, value: Any?) {
+        if (value == nil) {
+            UserDefaults.standard.removeObject(forKey: preference.rawValue)
+        } else {
+            UserDefaults.standard.setValue(value, forKey: preference.rawValue)
+        }
+        UserDefaults.standard.synchronize()
+        
+        // Update the preferences cache in memory!
+        Preferences.shared.cachedPreferences = Preferences.cache()
+    }
+    
+}

phpmon/Domain/Preferences/PrefsVC.swift

@@ -0,0 +1,229 @@
+//
+//  PrefsVC.swift
+//  PHP Monitor
+//
+//  Created by Nico Verbruggen on 30/03/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Cocoa
+import HotKey
+import Carbon
+
+class PrefsVC: NSViewController {
+    
+    // Labels on the left
+    @IBOutlet weak var leftLabelDynamicIcon: NSTextField!
+    @IBOutlet weak var leftLabelServices: NSTextField!
+    @IBOutlet weak var leftLabelGlobalShortcut: NSTextField!
+    
+    // Dynamic icon
+    @IBOutlet weak var buttonDynamicIcon: NSButton!
+    @IBOutlet weak var labelDynamicIcon: NSTextField!
+    
+    // Full PHP version
+    @IBOutlet weak var buttonDisplayFullPhpVersion: NSButton!
+    @IBOutlet weak var labelDisplayFullPhpVersion: NSTextField!
+    
+    // Auto-restart services
+    @IBOutlet weak var buttonAutoRestartServices: NSButton!
+    @IBOutlet weak var labelAutoRestartServices: NSTextField!
+    
+    // Shortcut
+    @IBOutlet weak var buttonSetShortcut: NSButton!
+    @IBOutlet weak var buttonClearShortcut: NSButton!
+    @IBOutlet weak var labelShortcut: NSTextField!
+    
+    // Close button (bottom right)
+    @IBOutlet weak var buttonClose: NSButton!
+    
+    // MARK: - Display
+    
+    public static func show(delegate: NSWindowDelegate? = nil) {
+        if (App.shared.windowController == nil) {
+            let vc = NSStoryboard(name: "Main", bundle: nil)
+                .instantiateController(withIdentifier: "preferences") as! PrefsVC
+            let window = NSWindow(contentViewController: vc)
+            
+            window.title = "prefs.title".localized
+            window.delegate = delegate
+            window.styleMask = [.titled, .closable]
+            
+            App.shared.windowController = PrefsWC(window: window)
+        }
+        
+        App.shared.windowController!.showWindow(self)
+        NSApp.activate(ignoringOtherApps: true)
+    }
+    
+    // MARK: - Lifecycle
+    
+    override func viewWillAppear() {
+        loadLocalization()
+        loadDynamicIconFromPreferences()
+        loadFullPhpVersionFromPreferences()
+        loadGlobalKeybindFromPreferences()
+    }
+    
+    override func viewWillDisappear() {
+        if self.listeningForGlobalHotkey {
+            listeningForGlobalHotkey = false
+        }
+    }
+    
+    private func loadLocalization() {
+        // Dynamic icon
+        leftLabelDynamicIcon.stringValue = "prefs.dynamic_icon".localized
+        labelDynamicIcon.stringValue = "prefs.dynamic_icon_desc".localized
+        buttonDynamicIcon.title = "prefs.dynamic_icon_title".localized
+        
+        // Full PHP version
+        buttonDisplayFullPhpVersion.title = "prefs.display_full_php_version".localized
+        labelDisplayFullPhpVersion.stringValue = "prefs.display_full_php_version_desc".localized
+        
+        // Services
+        leftLabelServices.stringValue = "prefs.services".localized
+        buttonAutoRestartServices.title = "prefs.auto_restart_services_title".localized
+        labelAutoRestartServices.stringValue = "prefs_auto_restart_services_desc".localized
+        
+        // Global Shortcut
+        leftLabelGlobalShortcut.stringValue = "prefs.global_shortcut".localized
+        labelShortcut.stringValue = "prefs.shortcut_desc".localized
+        buttonSetShortcut.title = "prefs.shortcut_set".localized
+        buttonClearShortcut.title = "prefs.shortcut_clear".localized
+        
+        // Close button
+        buttonClose.title = "prefs.close".localized
+    }
+    
+    // MARK: - Loading Preferences
+    
+    func loadDynamicIconFromPreferences() {
+        let shouldDisplay = Preferences.preferences[.shouldDisplayDynamicIcon] as! Bool == true
+        self.buttonDynamicIcon.state = shouldDisplay ? .on : .off
+    }
+    
+    func loadFullPhpVersionFromPreferences() {
+        let shouldDisplay = Preferences.preferences[.fullPhpVersionDynamicIcon] as! Bool == true
+        self.buttonDisplayFullPhpVersion.state = shouldDisplay ? .on : .off
+    }
+    
+    func loadAutoRestartServicesFromPreferences() {
+        let shouldDisplay = Preferences.preferences[.autoServiceRestartAfterExtensionToggle] as! Bool == true
+        self.buttonAutoRestartServices.state = shouldDisplay ? .on : .off
+    }
+    
+    // MARK: - Actions
+    
+    @IBAction func toggledDynamicIcon(_ sender: Any) {
+        Preferences.update(.shouldDisplayDynamicIcon, value: buttonDynamicIcon.state == .on)
+        MainMenu.shared.refreshIcon()
+    }
+    
+    @IBAction func toggledFullPhpVersion(_ sender: Any) {
+        Preferences.update(.fullPhpVersionDynamicIcon, value: buttonDisplayFullPhpVersion.state == .on)
+        MainMenu.shared.refreshIcon()
+        MainMenu.shared.update()
+    }
+    
+    @IBAction func toggledAutoRestartServices(_ sender: Any) {
+        Preferences.update(.autoServiceRestartAfterExtensionToggle, value: buttonAutoRestartServices.state == .on)
+    }
+    
+    // MARK: - Shortcut Preference
+    // Adapted from: https://dev.to/mitchartemis/creating-a-global-configurable-shortcut-for-macos-apps-in-swift-25e9
+    
+    var listeningForGlobalHotkey = false {
+        didSet {
+            if listeningForGlobalHotkey {
+                DispatchQueue.main.async { [weak self] in
+                    self?.buttonSetShortcut.highlight(true)
+                    self?.buttonSetShortcut.title = "prefs.shortcut_listening".localized
+                }
+            } else {
+                DispatchQueue.main.async { [weak self] in
+                    self?.buttonSetShortcut.highlight(false)
+                    self?.loadGlobalKeybindFromPreferences()
+                }
+            }
+        }
+    }
+    
+    func loadGlobalKeybindFromPreferences() {
+        let globalKeybind = GlobalKeybindPreference.fromJson(Preferences.preferences[.globalHotkey] as! String?)
+        
+        if (globalKeybind != nil) {
+            updateKeybindButton(globalKeybind!)
+        } else {
+            buttonSetShortcut.title = "prefs.shortcut_set".localized
+        }
+        
+        buttonClearShortcut.isEnabled = globalKeybind != nil
+    }
+    
+    func updateGlobalShortcut(_ event : NSEvent) {
+        self.listeningForGlobalHotkey = false
+        
+        if let characters = event.charactersIgnoringModifiers {
+            let newGlobalKeybind = GlobalKeybindPreference.init(
+                function: event.modifierFlags.contains(.function),
+                control: event.modifierFlags.contains(.control),
+                command: event.modifierFlags.contains(.command),
+                shift: event.modifierFlags.contains(.shift),
+                option: event.modifierFlags.contains(.option),
+                capsLock: event.modifierFlags.contains(.capsLock),
+                carbonFlags: event.modifierFlags.carbonFlags,
+                characters: characters,
+                keyCode: UInt32(event.keyCode)
+            )
+            
+            Preferences.update(.globalHotkey, value: newGlobalKeybind.toJson())
+            
+            updateKeybindButton(newGlobalKeybind)
+            buttonClearShortcut.isEnabled = true
+            
+            App.shared.shortcutHotkey = HotKey(
+                keyCombo: KeyCombo(
+                    carbonKeyCode: UInt32(event.keyCode),
+                    carbonModifiers: event.modifierFlags.carbonFlags
+                )
+            )
+        }
+    }
+    
+    @IBAction func register(_ sender: Any) {
+        unregister(nil)
+        listeningForGlobalHotkey = true
+        view.window?.makeFirstResponder(nil)
+    }
+    
+    @IBAction func unregister(_ sender: Any?) {
+        listeningForGlobalHotkey = false
+        App.shared.shortcutHotkey = nil
+        buttonSetShortcut.title = ""
+        
+        Preferences.update(.globalHotkey, value: nil)
+    }
+    
+    func updateClearButton(_ globalKeybindPreference: GlobalKeybindPreference?) {
+        if globalKeybindPreference != nil {
+            buttonClearShortcut.isEnabled = true
+        } else {
+            buttonClearShortcut.isEnabled = false
+        }
+    }
+    
+    func updateKeybindButton(_ globalKeybindPreference: GlobalKeybindPreference) {
+        buttonSetShortcut.title = globalKeybindPreference.description
+    }
+    
+    @IBAction func pressed(_ sender: Any) {
+        self.view.window?.windowController?.close()
+    }
+    
+    // MARK: - Deinitialization
+    
+    deinit {
+        print("VC deallocated")
+    }
+}

phpmon/Domain/Preferences/PrefsWC.swift

@@ -0,0 +1,37 @@
+//
+//  PrefsWC.swift
+//  PHP Monitor
+//
+//  Created by Nico Verbruggen on 02/04/2021.
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Cocoa
+
+struct Keys {
+    static let Escape = 53
+    static let Space = 49
+}
+
+class PrefsWC: NSWindowController {
+    
+    override func windowDidLoad() {
+        super.windowDidLoad()
+    }
+    
+    override func keyDown(with event: NSEvent) {
+        super.keyDown(with: event)
+        
+        if let vc = self.contentViewController as? PrefsVC {
+            if vc.listeningForGlobalHotkey {
+                if event.keyCode == Keys.Escape || event.keyCode == Keys.Space {
+                    print("A blacklisted key was pressed, canceling listen")
+                    vc.listeningForGlobalHotkey = false
+                } else {
+                    vc.updateGlobalShortcut(event)
+                }
+            }
+        }
+    }
+    
+}

phpmon/Domain/Terminal/Command.swift

@@ -0,0 +1,40 @@
+//
+//  Command.swift
+//  PHP Monitor
+//
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Cocoa
+
+class Command {
+    
+    /**
+     Immediately executes a command.
+     
+     - Parameter path: The path of the command or program to invoke.
+     - Parameter arguments: A list of arguments that are passed on.
+     - Parameter trimNewlines: Removes empty new line output.
+     */
+    public static func execute(path: String, arguments: [String], trimNewlines: Bool = false) -> String {
+        let task = Process()
+        task.launchPath = path
+        task.arguments = arguments
+        
+        let pipe = Pipe()
+        task.standardOutput = pipe
+        task.launch()
+        
+        let data = pipe.fileHandleForReading.readDataToEndOfFile()
+        let output: String = String.init(data: data, encoding: String.Encoding.utf8)!
+        
+        if (trimNewlines) {
+            return output.components(separatedBy: .newlines)
+                .filter({ !$0.isEmpty })
+                .joined(separator: "\n")
+        }
+        
+        return output
+    }
+    
+}

phpmon/Domain/Terminal/Paths.swift

@@ -0,0 +1,68 @@
+//
+//  Paths.swift
+//  PHP Monitor
+//
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+
+enum HomebrewDir: String {
+    case opt = "/opt/homebrew"
+    case usr = "/usr/local"
+}
+
+class Paths {
+    
+    static let shared = Paths()
+    var baseDir : HomebrewDir
+    
+    init() {
+        let optBrewFound = Shell.fileExists("\(HomebrewDir.opt.rawValue)/bin/brew")
+        let usrBrewFound = Shell.fileExists("\(HomebrewDir.usr.rawValue)/bin/brew")
+        
+        if (optBrewFound) {
+            // This is usually the case with Homebrew installed on Apple Silicon
+            baseDir = .opt
+        } else if (usrBrewFound) {
+            // This is usually the case with Homebrew installed on Intel (or Rosetta 2)
+            baseDir = .usr
+        } else {
+            // Falling back to default "legacy" Homebrew location (for Intel)
+            print("Seems like we couldn't determine the Homebrew directory.")
+            print("This usually means we're in trouble... (no Homebrew?)")
+            baseDir = .usr
+        }
+        
+        print("Homebrew directory: \(baseDir)")
+    }
+    
+    // - MARK: Binaries
+    
+    public static var brew: String {
+        return "\(binPath)/brew"
+    }
+    
+    public static var php: String {
+        return "\(binPath)/php"
+    }
+    
+    public static var phpConfig: String {
+        return "\(binPath)/php-config"
+    }
+    
+    // - MARK: Paths
+    
+    public static var binPath: String {
+        return "\(shared.baseDir.rawValue)/bin"
+    }
+    
+    public static var optPath: String {
+        return "\(shared.baseDir.rawValue)/opt"
+    }
+    
+    public static var etcPath: String {
+        return "\(shared.baseDir.rawValue)/etc"
+    }
+    
+}

phpmon/Domain/Terminal/Shell.swift

@@ -0,0 +1,93 @@
+//
+//  Shell.swift
+//  PHP Monitor
+//
+//  Copyright © 2021 Nico Verbruggen. All rights reserved.
+//
+
+import Cocoa
+
+class Shell {
+    
+    // MARK: - Invoke static functions
+    
+    public static func run(_ command: String) {
+        Shell.user.run(command)
+    }
+    
+    public static func pipe(_ command: String) -> String {
+        return Shell.user.pipe(command)
+    }
+    
+    // MARK: - Singleton
+    
+    var shell: String
+    
+    init() {
+        // Determine if we're using macOS Catalina or newer (that support /bin/zsh as default shell)
+        let at_least_10_15 = ProcessInfo.processInfo.isOperatingSystemAtLeast(
+            .init(majorVersion: 10, minorVersion: 15, patchVersion: 0))
+    
+        // If macOS Mojave is being used, we'll default to /bin/bash
+        shell = at_least_10_15
+            ? "/bin/sh"
+            : "/bin/bash"
+        
+        print(at_least_10_15
+            ? "Detected recent macOS (> 10.15): defaulting to /bin/sh"
+            : "Detected older macOS (< 10.15): defaulting to /bin/bash"
+        )
+    }
+    
+    /**
+     Singleton to access a user shell (with --login)
+     */
+    static let user = Shell()
+    
+    /**
+     Runs a shell command without using the output.
+     Uses the default shell.
+     
+     - Parameter command: The command to run
+     */
+    func run(_ command: String) {
+        // Equivalent of piping to /dev/null; don't do anything with the string
+        _ = pipe(command)
+    }
+    
+    /**
+     Runs a shell command and returns the output.
+     
+     - Parameter command: The command to run
+     - Parameter shell: Path to the shell to invoke
+     */
+    func pipe(_ command: String) -> String {
+        let task = Process()
+        let outputPipe = Pipe()
+        let errorPipe = Pipe()
+        
+        task.launchPath = self.shell
+        task.arguments = ["--login", "-c", command]
+        task.standardOutput = outputPipe
+        task.standardError = errorPipe
+        task.launch()
+        
+        let error = String(data: errorPipe.fileHandleForReading.readDataToEndOfFile(), encoding: .utf8)!
+        let output = String(data: outputPipe.fileHandleForReading.readDataToEndOfFile(), encoding: .utf8)!
+        
+        if (output == "" && error.lengthOfBytes(using: .utf8) > 0) {
+            return error
+        }
+
+        return output
+    }
+    
+    /**
+     Checks if a file exists at the provided path.
+     Uses `/bin/echo` instead of the `builtin` (which does not support `-n`).
+     */
+    public static func fileExists(_ path: String) -> Bool {
+        return Shell.pipe("if [ -f \(path) ]; then /bin/echo -n \"0\"; fi") == "0"
+    }
+    
+}

phpmon/Helpers/Alert.swift

@@ -1,23 +0,0 @@
-//
-//  Alert.swift
-//  phpmon
-//
-//  Created by Nico Verbruggen on 12/06/2019.
-//  Copyright © 2019 Nico Verbruggen. All rights reserved.
-//
-
-import Cocoa
-
-class Alert {
-    public static func present(
-        messageText: String,
-        informativeText: String,
-        buttonTitle: String = "OK"
-    ) {
-        let alert = NSAlert.init()
-        alert.messageText = messageText
-        alert.informativeText = informativeText
-        alert.addButton(withTitle: buttonTitle)
-        alert.runModal()
-    }
-}

phpmon/Helpers/Environment.swift

@@ -1,39 +0,0 @@
-//
-//  Environment.swift
-//  phpmon
-//
-//  Created by Nico Verbruggen on 12/06/2019.
-//  Copyright © 2019 Nico Verbruggen. All rights reserved.
-//
-
-import Foundation
-
-class Environment {
-    public static func performBootChecks()
-    {
-        if (!Shell.execute(command: "which php").contains("/usr/local/bin/php")) {
-            DispatchQueue.main.async {
-                Alert.present(
-                    messageText: "PHP is not correctly installed",
-                    informativeText: "You must install PHP via brew. Try running `which php` in Terminal, it should return `/usr/local/bin/php`. The app will not work correctly until you resolve this issue."
-                )
-            }
-        }
-        if (!Shell.execute(command: "ls /usr/local/opt | grep php@7.3").contains("php@7.3")) {
-            DispatchQueue.main.async {
-                Alert.present(
-                    messageText: "PHP 7.3 is not correctly installed",
-                    informativeText: "PHP 7.3 alias was not found in `/usr/local/opt`. The app will not work correctly until you resolve this issue."
-                )
-            }
-        }
-        if (!Shell.execute(command: "which valet").contains("/usr/local/bin/valet")) {
-            DispatchQueue.main.async {
-                Alert.present(
-                    messageText: "Laravel Valet is not correctly installed",
-                    informativeText: "You must install Valet via brew. Try running `which valet` in Terminal, it should return `/usr/local/bin/valet`. The app will not work correctly until you resolve this issue."
-                )
-            }
-        }
-    }
-}

phpmon/Helpers/PHPVersion.swift

@@ -1,29 +0,0 @@
-//
-//  PhpVersionExtractor.swift
-//  phpmon
-//
-//  Created by Nico Verbruggen on 11/06/2019.
-//  Copyright © 2019 Nico Verbruggen. All rights reserved.
-//
-
-import Foundation
-
-class PHPVersion {
-    
-    var short : String = "???"
-    var long : String = "???"
-    
-    init() {
-        // Get the info about the PHP installation
-        let output = Shell.execute(command: "php -v")
-        // Get everything before "(cli)" (PHP X.X.X (cli) ...)
-        var version = output.components(separatedBy: " (cli)")[0]
-        // Strip away the text before the version number
-        version = version.components(separatedBy: "PHP ")[1]
-        self.long = version
-        // Next up, let's strip away the minor version number
-        let segments = version.components(separatedBy: ".")
-        // Get the first two elements
-        self.short = segments[0...1].joined(separator: ".")
-    }
-}

phpmon/Helpers/Services.swift

@@ -1,52 +0,0 @@
-//
-//  Services.swift
-//  phpmon
-//
-//  Created by Nico Verbruggen on 11/06/2019.
-//  Copyright © 2019 Nico Verbruggen. All rights reserved.
-//
-
-import Foundation
-
-class Services {
-    public static func mysqlIsRunning() -> Bool {
-        let running = Shell.execute(command: "launchctl list | grep homebrew.mxcl.mysql")
-        if (running != "") {
-            return true
-        }
-        return false
-    }
-    
-    public static func nginxIsRunning() -> Bool {
-        let running = Shell.execute(command: "launchctl list | grep homebrew.mxcl.nginx")
-        if (running != "") {
-            return true
-        }
-        return false
-    }
-    
-    public static func detectPhpVersions() -> [String] {
-        let files = Shell.execute(command: "ls /usr/local/opt | grep php@")
-        var versions = files.components(separatedBy: "\n")
-        // Remove all empty strings
-        versions.removeAll { (string) -> Bool in
-            return (string == "")
-        }
-        // Get a list of versions only
-        var versionsOnly : [String] = []
-        versions.forEach { (string) in
-            versionsOnly.append(string.components(separatedBy: "php@")[1])
-        }
-        return versionsOnly
-    }
-    
-    public static func switchToPhpVersion(version: String, availableVersions: [String]) {
-        availableVersions.forEach { (version) in
-            _ = Shell.execute(command: "brew unlink php@\(version)")
-        }
-        if (availableVersions.contains("7.3")) {
-            _ = Shell.execute(command: "brew link php@7.3")
-            _ = Shell.execute(command: "valet use php@\(version)")
-        }
-    }
-}

phpmon/Helpers/Shell.swift

@@ -1,27 +0,0 @@
-//
-//  Shell.swift
-//  phpmon
-//
-//  Created by Nico Verbruggen on 11/06/2019.
-//  Copyright © 2019 Nico Verbruggen. All rights reserved.
-//
-
-import Cocoa
-
-class Shell {
-    public static func execute(command: String) -> String
-    {
-        let task = Process()
-        task.launchPath = "/bin/bash"
-        task.arguments = ["--login", "-c", command]
-        
-        let pipe = Pipe()
-        task.standardOutput = pipe
-        task.launch()
-        
-        let data = pipe.fileHandleForReading.readDataToEndOfFile()
-        let output: String = NSString(data: data, encoding: String.Encoding.utf8.rawValue)! as String
-        
-        return output
-    }
-}

phpmon/IAP/InternetAccessPolicy.plist

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>ApplicationDescription</key>
+	<string>PHP Monitor is a tool that shows the active PHP version in your menu bar and gives you easy access to certain PHP service actions and config files.</string>
+	<key>DeveloperName</key>
+	<string>Nico Verbruggen</string>
+	<key>Website</key>
+	<string>https://github.com/nicoverbruggen/phpmon</string>
+	<key>Connections</key>
+	<array>
+		<dict>
+			<key>IsIncoming</key>
+			<false/>
+			<key>Host</key>
+			<string>registry.npmjs.org</string>
+			<key>NetworkProtocol</key>
+			<string>TCP</string>
+			<key>Port</key>
+			<string>80, 443</string>
+			<key>Relevance</key>
+			<string>Essential</string>
+			<key>Purpose</key>
+			<string>PHP Monitor directly invokes Homebrew which contacts the NPM Registry.</string>
+			<key>DenyConsequences</key>
+			<string>If you deny these connections, PHP Monitor might not be able to complete its preset set of instructions, causing version switching to fail.</string>
+		</dict>
+		<dict>
+			<key>IsIncoming</key>
+			<false/>
+			<key>Host</key>
+			<string>github.com, api.github.com</string>
+			<key>NetworkProtocol</key>
+			<string>TCP</string>
+			<key>Port</key>
+			<string>443</string>
+			<key>Relevance</key>
+			<string>Essential</string>
+			<key>Purpose</key>
+			<string>PHP Monitor directly invokes Homebrew which contacts GitHub. This happens when PHP Monitor asks for more information about the PHP formula to determine which version of PHP you&apos;ve got running.</string>
+			<key>DenyConsequences</key>
+			<string>If you deny these connections, PHP Monitor might not be able to complete its preset set of instructions, causing version switching to fail.</string>
+		</dict>
+	</array>
+</dict>
+</plist>

phpmon/IAP/InternetAccessPolicy.strings

@@ -0,0 +1,2 @@
+// Top-level, general application description:
+"ApplicationDescription" = "PHP Monitor is a tool that shows the active PHP version in your menu bar and gives you easy access to certain PHP service actions and config files.";

phpmon/Info.plist

@@ -17,15 +17,17 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0</string>
+	<string>$(MARKETING_VERSION)</string>
 	<key>CFBundleVersion</key>
-	<string>4</string>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+	<key>LSApplicationCategoryType</key>
+	<string>public.app-category.utilities</string>
 	<key>LSMinimumSystemVersion</key>
 	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
 	<key>LSUIElement</key>
 	<true/>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2019 Nico Verbruggen. All rights reserved.</string>
+	<string>Copyright © 2021 Nico Verbruggen. All rights reserved.</string>
 	<key>NSMainStoryboardFile</key>
 	<string>Main</string>
 	<key>NSPrincipalClass</key>

phpmon/Localizable.strings

@@ -0,0 +1,133 @@
+/* 
+  Strings.strings
+  PHP Monitor
+
+  Created by Nico Verbruggen on 16/05/2020.
+  Copyright © 2020 Nico Verbruggen. All rights reserved.
+*/
+
+// MENU ITEMS (MI)
+
+"mi_busy" = "PHP Monitor is busy...";
+"mi_unsure" = "We are not sure what version of PHP you are running.";
+"mi_php_version" = "You are running PHP";
+"mi_php_switch" = "Switch to PHP";
+"mi_php_broken_1" = "Oof! It appears your PHP installation is broken...";
+"mi_php_broken_2" = "Try running `php -v` in your terminal.";
+"mi_php_broken_3" = "You could also try switching to another version.";
+"mi_php_broken_4" = "Running `brew reinstall php` (or for the equivalent version) might help.";
+
+"mi_diagnostics" = "Diagnostics";
+"mi_active_services" = "Active Services";
+"mi_restart_php_fpm" = "Restart service: php";
+"mi_restart_nginx" = "Restart service: nginx";
+"mi_restart_dnsmasq" = "Restart service: dnsmasq";
+"mi_manage_services" = "Manage services";
+"mi_restart_all_services" = "Restart all services";
+"mi_stop_all_services" = "Stop all services";
+"mi_force_load_latest" = "Force load latest PHP version";
+"mi_php_refresh" = "Refresh information";
+
+"mi_configuration" = "Configuration";
+"mi_limits" = "Limits Configuration";
+"mi_memory_limit" = "Memory Limit";
+"mi_post_max_size" = "Max POST";
+"mi_upload_max_filesize" = "Max Upload";
+
+"mi_valet_config" = "Locate Valet folder (.config/valet)";
+"mi_php_config" = "Locate PHP configuration file (php.ini)";
+"mi_global_composer" = "Locate global composer.json file (.composer)";
+"mi_phpinfo" = "Show current configuration (phpinfo)";
+"mi_detected_extensions" = "Detected Extensions";
+"mi_no_extensions_detected" = "No additional extensions detected.";
+
+"mi_preferences" = "Preferences...";
+"mi_quit" = "Quit PHP Monitor";
+"mi_about" = "About PHP Monitor";
+
+// PREFERENCES
+
+"prefs.title" = "PHP Monitor";
+"prefs.close" = "Close";
+
+"prefs.global_shortcut" = "Global shortcut:";
+"prefs.dynamic_icon" = "Dynamic icon:";
+"prefs.services" = "Services:";
+
+"prefs.auto_restart_services_title" = "Auto-restart PHP-FPM";
+"prefs_auto_restart_services_desc" = "When checked, will automatically restart PHP-FPM when\nyou check or uncheck an extension. Slightly slower when enabled, \nbut this applies the extension change immediately for all sites \nyou're serving, no need to restart PHP-FPM manually.";
+
+"prefs.dynamic_icon_title" = "Display dynamic icon in menu bar";
+"prefs.dynamic_icon_desc" = "If you uncheck this box, the truck icon will always be visible.\nIf checked, it will display the major version number of the\ncurrently linked PHP version.";
+
+"prefs.display_full_php_version" = "Display full PHP version in menu bar";
+"prefs.display_full_php_version_desc" = "Display the full version instead of the major version only.\n(This may be undesirable on smaller displays,\nso this is disabled by default.)";
+ 
+"prefs.shortcut_set" = "Set global shortcut";
+"prefs.shortcut_listening" = "<listening for keypress>";
+"prefs.shortcut_clear" = "Clear";
+"prefs.shortcut_desc" = "If a shortcut combination is set up, you can toggle PHP Monitor\nwherever you are by pressing the key combination you chose.\n(Cancel choosing a shortcut by pressing the spacebar.)";
+
+// NOTIFICATIONS
+
+"notification.version_changed_title" = "PHP %@ now active";
+"notification.version_changed_desc" = "PHP Monitor has switched to PHP %@.";
+
+"notification.php_fpm_restarted" = "PHP-FPM automatically restarted";
+"notification.php_fpm_restarted_desc" = "You toggled an extension, so PHP-FPM was automatically restarted.";
+
+"notification.services_stopped" = "Valet services stopped";
+"notification.services_stopped_desc" = "All services have been successfully stopped.";
+
+"notification.services_restarted" = "Valet services restarted";
+"notification.services_restarted_desc" = "All services have been successfully restarted.";
+
+// ALERTS
+
+// Force Reload Started
+"alert.force_reload.title" = "PHP Monitor will force reload the latest version of PHP";
+"alert.force_reload.info" = "This can take a while. You'll get another alert when the force reload has completed.";
+
+// Force Reload Done
+"alert.force_reload_done.title" = "PHP has been force reloaded";
+"alert.force_reload_done.info" = "All appropriate services have been restarted, and the latest version of PHP is now active. You can now try switching to another version of PHP. If visiting sites still does not work, you may try running `valet install` again, this can fix a 502 issue (Bad Gateway).";
+
+// PHP FPM Broken
+"alert.php_fpm_broken.title" = "PHP-FPM configuration is incorrect";
+"alert.php_fpm_broken.info" = "PHP Monitor has determined that there are issues with your PHP-FPM config: it's not pointing to the Valet socket. This will result in 502 Bad Gateway if you visit websites linked via Valet.\n\nYou can usually fix this by running\n`valet install`, which updates your\n PHP-FPM configuration.";
+
+// PHP Monitor Cannot Start
+"alert.cannot_start.title" = "PHP Monitor cannot start";
+"alert.cannot_start.info" = "The issue you were just notified about is keeping PHP Monitor from functioning correctly. Please fix the issue and restart PHP Monitor. After clicking on OK, PHP Monitor will close.\n\nIf you have fixed the issue (or don't remember what the exact issue is) you can click on Retry, which will have PHP Monitor retry the startup checks.";
+"alert.cannot_start.close" = "Close";
+"alert.cannot_start.retry" = "Retry";
+
+// PHP alias issue
+"alert.php_alias_conflict.title" = "Homebrew `php` formula alias conflict detected";
+"alert.php_alias_conflict.info" = "PHP Monitor has detected conflicting `php` aliases in your Homebrew setup, both of which have been detected as installed.\n\nThis will likely result in failed linking when switching PHP versions, and will break PHP Monitor functionality.\n\nFor more information, please visit: https://github.com/nicoverbruggen/phpmon/issues/54";
+
+// STARTUP
+
+/// 1. PHP binary not found
+"startup.errors.php_binary.title" = "PHP is not correctly installed";
+"startup.errors.php_binary_desc" = "You must install PHP via brew. Try running `which php` in Terminal, it should return `/usr/local/bin/php` (or `/opt/homebrew/bin/php`). The app will not work correctly until you resolve this issue. (Usually `brew link php` resolves this issue.)";
+
+/// 2. PHP not found in /usr/local/opt or /opt/homebrew/opt
+"startup.errors.php_opt.title" = "PHP is not correctly installed";
+"startup.errors.php_opt.desc" = "PHP alias was not found in `/usr/local/opt` or `/opt/homebrew/opt`. The app will not work correctly until you resolve this issue. If you already have the `php` formula installed, you may need to run `brew install php` in order for PHP Monitor to detect this installation.";
+
+/// 3. Valet not installed
+"startup.errors.valet_executable.title" = "Laravel Valet is not correctly installed";
+"startup.errors.valet_executable.desc" = "You must install Valet with composer. Try running `which valet` in Terminal, it should return `/usr/local/bin/valet` or `/opt/homebrew/bin/valet`. The app will not work correctly until you resolve this issue. (PHP Monitor checks for the existence of `valet` in either of these paths.)";
+
+/// 4. Brew & sudoers
+"startup.errors.sudoers_brew.title" = "Brew has not been added to sudoers.d";
+"startup.errors.sudoers_brew.desc" = "You must run `sudo valet trust` to ensure Valet can start and stop services without having to use sudo every time. The app will not work correctly until you resolve this issue.";
+
+/// 5. Valet & sudoers
+"startup.errors.sudoers_valet.title" = "Valet has not been added to sudoers.d";
+"startup.errors.sudoers_valet.desc" = "You must run `sudo valet trust` to ensure Valet can start and stop services without having to use sudo every time. The app will not work correctly until you resolve this issue.";
+
+/// 6. Multiple services active
+"startup.errors.services.title" = "Multiple PHP services are active";
+"startup.errors.services.desc" = "This can cause php-fpm to serve a more recent version of PHP than the one you'd like to see active. Please terminate all extra PHP processes.\n\nThe easiest solution is to choose the option 'Force load latest PHP version' in the menu bar.\n\nAlternatively, you can fix this manually. You can do this by running `brew services list` and running `sudo brew services stop php@7.3` (and use the version that applies).\n\nPHP Monitor usually handles the starting and stopping of these services, so once the correct version is the only PHP version running you should not have any issues. It is recommended to restart PHP Monitor once you have resolved this issue.\n\nFor more information about this issue, please see the README.md file in the repository on GitHub.";

phpmon/ViewController.swift

@@ -1,27 +0,0 @@
-//
-//  ViewController.swift
-//  phpmon
-//
-//  Created by Nico Verbruggen on 11/06/2019.
-//  Copyright © 2019 Nico Verbruggen. All rights reserved.
-//
-
-import Cocoa
-
-class ViewController: NSViewController {
-
-    override func viewDidLoad() {
-        super.viewDidLoad()
-
-        // Do any additional setup after loading the view.
-    }
-
-    override var representedObject: Any? {
-        didSet {
-        // Update the view, if already loaded.
-        }
-    }
-
-
-}
-