laravel-valet/cli/Valet/Drivers/Specific/WordPressValetDriver.php

<?php

namespace Valet\Drivers\Specific;

use Valet\Drivers\BasicValetDriver;

class WordPressValetDriver extends BasicValetDriver
{
    /**
     * Determine if the driver serves the request.
     */
    public function serves(string $sitePath, string $siteName, string $uri): bool
    {
        return file_exists($sitePath.'/wp-config.php') || file_exists($sitePath.'/wp-config-sample.php');
    }

    /**
     * Get the fully resolved path to the application's front controller.
     */
    public function frontControllerPath(string $sitePath, string $siteName, string $uri): ?string
    {
        return parent::frontControllerPath(
            $sitePath, $siteName, $this->forceTrailingSlash($uri)
        );
    }

    /**
     * Redirect to uri with trailing slash.
     */
    private function forceTrailingSlash($uri): ?string
    {
        if (substr($uri, -1 * strlen('/wp-admin')) == '/wp-admin') {
            header('Location: '.$uri.'/');
            exit;
        }

        return $uri;
    }
}