/** * Release any resourced held by this form storage mechanism for the indicated form * @param string $form */ public function release($form) { if (!is_string($form)) { return; } if (array_key_exists($form, $this->locations)) { unset($this->locations[$form]); } if (array_key_exists($form, $this->mod_time)) { unset($this->mod_time[$form]); } parent::release($form); }