public function execute()
 {
     $task = WDW_FM_Library::get('task');
     $id = (int) WDW_FM_Library::get('current_id', 0);
     $message = WDW_FM_Library::get('message');
     echo WDW_FM_Library::message_id($message);
     if (method_exists($this, $task)) {
         check_admin_referer('nonce_fm', 'nonce_fm');
         $this->{$task}($id);
     } else {
         $this->display();
     }
 }
 public function execute()
 {
     $task = WDW_FM_Library::get('task');
     $id = WDW_FM_Library::get('current_id', 0);
     $message = WDW_FM_Library::get('message');
     echo WDW_FM_Library::message_id($message);
     // $task = ((isset($_POST['task'])) ? esc_html($_POST['task']) : '');
     // $id = ((isset($_POST['current_id'])) ? esc_html($_POST['current_id']) : 0);
     if (method_exists($this, $task)) {
         $this->{$task}($id);
     } else {
         $this->display();
     }
 }