public static function get_instance()
{
if (!isset(self::$instance)) {
$c = __CLASS__;
self::$instance = new $c();
}
return self::$instance;
}
<?php
/*
Plugin Name: ChatPirate
Plugin URI: http://chatpirate.com
Description: Pirate Chat is a live chat software on course to help you chat with your website visitors, offer live support, and increase sales. Try it on your Wordpress-based website now, don’t let your visitors sail aways.s
Author: ChatPirate
Author URI: http://chatpirate.com
Version: 1.0.0
*/
global $wp_version;
if (version_compare($wp_version, "3", "<")) {
exit("Requires WordPress 3 or newer");
}
if (is_admin()) {
require_once plugin_dir_path(__FILE__) . '/assets/ChatPirateAdmin.class.php';
$ChatPirateAdmin = new ChatPirateAdmin();
} else {
require_once plugin_dir_path(__FILE__) . '/assets/ChatPirateFront.class.php';
ChatPirateFront::get_instance();
}