public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array())
    {
        if( $tags && ! is_array($tags)) {
            $tags = array($tags);
        }
        $result = true;
        switch ($mode) {
            case Zend_Cache::CLEANING_MODE_ALL:
                $this->_removeIds($this->getIds());
                break;

            case Zend_Cache::CLEANING_MODE_OLD:
                break;

            case Zend_Cache::CLEANING_MODE_MATCHING_TAG:
                $this->_removeIdsByMatchingTags($tags);
                break;

            case Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG:
                $this->_removeIdsByNotMatchingTags($tags);
                break;

            case Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG:
                $this->_removeIdsByMatchingAnyTags($tags);
                break;

            default:
                Zend_Cache::throwException('Invalid mode for clean() method: '.$mode);
        }
        return $this->_collectGarbage();
    }
public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array())
    {
        if( $tags && ! is_array($tags)) {
            $tags = array($tags);
        }
        $result = true;
        switch ($mode) {
            case Zend_Cache::CLEANING_MODE_ALL:
                $this->_removeIds($this->getIds());
                break;

            case Zend_Cache::CLEANING_MODE_OLD:
                break;

            case Zend_Cache::CLEANING_MODE_MATCHING_TAG:
                $this->_removeIdsByMatchingTags($tags);
                break;

            case Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG:
                $this->_removeIdsByNotMatchingTags($tags);
                break;

            case Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG:
                $this->_removeIdsByMatchingAnyTags($tags);
                break;

            default:
                Zend_Cache::throwException('Invalid mode for clean() method: '.$mode);
        }
        return $this->_collectGarbage();
    }
public function clean ( $ mode = Zend_Cache :: CLEANING_MODE_ALL , $ tags = array ( ) ) { if ( $ tags && ! is_array ( $ tags ) ) { $ tags = array ( $ tags ) ; } $ result = true ; switch ( $ mode ) { case Zend_Cache :: CLEANING_MODE_ALL : $ this -> _removeIds ( $ this -> getIds ( ) ) ; break ; case Zend_Cache :: CLEANING_MODE_OLD : break ; case Zend_Cache :: CLEANING_MODE_MATCHING_TAG : $ this -> _removeIdsByMatchingTags ( $ tags ) ; break ; case Zend_Cache :: CLEANING_MODE_NOT_MATCHING_TAG : $ this -> _removeIdsByNotMatchingTags ( $ tags ) ; break ; case Zend_Cache :: CLEANING_MODE_MATCHING_ANY_TAG : $ this -> _removeIdsByMatchingAnyTags ( $ tags ) ; break ; default : Zend_Cache :: throwException ( 'Invalid mode for clean() method: ' . $ mode ) ; } return $ this -> _collectGarbage ( ) ; }
Clean some cache records

Available modes are :
'all' (default)  => remove all cache entries ($tags is not used)
'old'            => supported
'matchingTag'    => supported
'notMatchingTag' => supported
'matchingAnyTag' => supported

@param  string $mode Clean mode
@param  array  $tags Array of tags
@throws Zend_Cache_Exception
@return boolean True if no problem
Clean some cache records