%plugin% does not support Multisite. For best results, always place your WordPress website on a dedicated Nginx server.';
// Internal properties (do not touch from here)
// ---------------------------------------------------------------------------------------------------
/**
* Caller plugin file
*/
private $plugin_file;
/**
* Single class instance
*/
private static $instance;
// Initialization
// ---------------------------------------------------------------------------------------------------
/**
* Create or retrieve instance
*/
public static function instance($plugin_file = null) {
// Avoid direct calls
if (!function_exists('add_action'))
die;
// Single install
if (!is_multisite())
return false;
// Check instance
if (!isset(self::$instance))
self::$instance = new self($plugin_file);
// Done
return self::$instance;
}
/**
* Constructor
*/
private function __construct($plugin_file = null) {
// Main plugin file
$this->plugin_file = isset($plugin_file)? $plugin_file : __FILE__;
// Admin notices both in admin and network admin
add_action('admin_notices', [&$this, 'adminNoticesMS']);
add_action('network_admin_notices', [&$this, 'adminNoticesMS']);
}
// WP Hooks
// ---------------------------------------------------------------------------------------------------
/**
* The admin notice message
*/
public function adminNoticesMS() {
$plugin_data = get_plugin_data($this->plugin_file);
?>