public function clean($mode = \Zend_Cache::CLEANING_MODE_ALL, $tags = array()) 
    {
    	if ($mode == \Zend_Cache::CLEANING_MODE_MATCHING_TAG) {
            if ($tags) {
                if (!method_exists($this->_handle, 'tag_delete')) {
                    \Zend_Cache::throwException('Method tag_delete() is not supported by the PHP memcached extension!');
                }
                foreach ($tags as $tag) {
                    $this->_handle->tag_delete($tag);
                }
            }
        } else {
            return parent::clean($mode, $tags); 
        }
    }
public function clean($mode = \Zend_Cache::CLEANING_MODE_ALL, $tags = array()) 
    {
    	if ($mode == \Zend_Cache::CLEANING_MODE_MATCHING_TAG) {
            if ($tags) {
                if (!method_exists($this->_handle, 'tag_delete')) {
                    \Zend_Cache::throwException('Method tag_delete() is not supported by the PHP memcached extension!');
                }
                foreach ($tags as $tag) {
                    $this->_handle->tag_delete($tag);
                }
            }
        } else {
            return parent::clean($mode, $tags); 
        }
    }
public function clean ( $ mode = \ Zend_Cache :: CLEANING_MODE_ALL , $ tags = array ( ) ) { if ( $ mode == \ Zend_Cache :: CLEANING_MODE_MATCHING_TAG ) { if ( $ tags ) { if ( ! method_exists ( $ this -> _handle , 'tag_delete' ) ) { \ Zend_Cache :: throwException ( 'Method tag_delete() is not supported by the PHP memcached extension!' ) ; } foreach ( $ tags as $ tag ) { $ this -> _handle -> tag_delete ( $ tag ) ; } } } else { return parent :: clean ( $ mode , $ tags ) ; } }
Cleaning operation with tag support.

@see \Zend_Cache_Backend_Memcached::clean()
Cleaning operation with tag support .