private function _hasValidPHPCliPath()
 {
     try {
         $p = ProcessDispatcher::getPHPCliPath();
     } catch (Exception $e) {
         $this->flashError('Your PHP-CLI path setting is invalid.' . "\n" . 'Please change the setting in ' . CONFIG_DIR . DIRECTORY_SEPARATOR . 'config.ini' . "\n" . 'If you do not know how to do this, please check with your system or server administrator.');
         return false;
     }
     return true;
 }