Adding a function_exists conditional around the tap method to reduce conflict with the illuminate/support library

cli/includes/helpers.php

@@ -108,6 +108,7 @@ function should_be_sudo()
     }
 }
 
+if (! function_exists('tap')) {
     /**
      * Tap the given value.
      *
@@ -121,6 +122,7 @@ function tap($value, callable $callback)
 
         return $value;
     }
+}
 
 /**
  * Get the user