CacheEngine::deleteValue PHP Метод

    public abstract function deleteValue($p_key);

 /**
  * Remove the object with given cache key from cache.
  *
  * @param string
  *    $p_key The cache key for the object.
  *
  * @return boolean
  *                 TRUE on success, FALSE on failure
  */
 public function delete($p_key)
 {
     if (!self::$m_enabled) {
         return false;
     }
     return $this->m_cacheEngine->deleteValue($this->genKey($p_key));
 }