plugin-manager.php

<?php
/**
 * Plugin Name: Ramphor Plugin Manager
 * Plugin URI: https://puleeno.com
 * Author: Puleeno Nguyen
 * Author URI: https://puleeno.com
 * Version: 0.0.1
 * Description: Manage plugin the lightway to require and recommended plugins for WordPress.
 * Tags: plugin manager, recommended, require, dependences
 *
 * @package Ramphor\Plugin
 */

use Ramphor\Plugin\Manager;

if ( ! class_exists( Manager::class ) && file_exists( $composer_file = sprintf( '%s/vendor/autoload.php', dirname( __FILE__ ) ) ) ) {
    require_once $composer_file;
}

if (! function_exists('load_Manager')) {
    /**
     * Ensure only one instance of the class is ever invoked.
     *
     * @since 2.5.0
     */
    function load_Manager()
    {
        $GLOBALS['tgmpa'] = Manager::get_instance();
    }
}

if (did_action('plugins_loaded')) {
    load_Manager();
} else {
    add_action('plugins_loaded', 'load_Manager');
}