vip-util-mock-plugin-load.php

<?php


/**
 * We do not want to load any plugins.
 */
function wpcom_vip_load_plugin( $plugin ) {

	// Array of files to check for loading the plugin. This is to support
	// non-standard plugin structures, such as $folder/plugin.php
	$test_files = array(
		"{$plugin}.php",
		'plugin.php',
	);

	// Is $plugin a filepath? If so, that's the only file we should test
	if ( basename( $plugin ) !== $plugin ) {
		$test_files = [ basename( $plugin ) ];
		$plugin     = dirname( $plugin );
	}

	// Array of directories to check for the above files in, in priority order
	$test_directories = [ dirname( __DIR__, 3 ) . '/plugins' ];

	foreach ( $test_directories as $directory ) {
		foreach ( $test_files as $file ) {
			$plugin = basename( $plugin ); // Just to be double, extra sure
			$file   = basename( $file );
			$path   = "{$directory}/{$plugin}/{$file}";
			if ( file_exists( $path ) ) {
				include_once( $path );
				break 2;
			}
		}
	}

}