Horde_Memcache::delete PHP Method

    public function delete($key, $timeout = 0)
    {
        return isset($this->_noexist[$key]) ? false : $this->_memcache->delete($this->_key($key), $timeout);
    }

 /**
  */
 protected function _delete($keys)
 {
     $ret = true;
     foreach ($keys as $val) {
         if (!$this->_memcache->delete($val)) {
             $ret = false;
         }
     }
     return $ret;
 }