/**
* Clean cache entries
*
* Available modes are :
* 'all' (default) => remove all cache entries ($tags is not used)
* 'old' => remove too old cache entries ($tags is not used)
* 'matchingTag' => remove cache entries matching all given tags
* ($tags can be an array of strings or a single string)
* 'notMatchingTag' => remove cache entries not matching one of the given tags
* ($tags can be an array of strings or a single string)
* 'matchingAnyTag' => remove cache entries matching any given tags
* ($tags can be an array of strings or a single string)
*
* @param string $mode
* @param array|string $tags
* @throws Zend_Cache_Exception
* @return boolean True if ok
*/
public function clean($mode = 'all', $tags = array())
{
if (!$this->_options['caching']) {
return true;
}
if (!in_array($mode, array(Zend_Cache::CLEANING_MODE_ALL, Zend_Cache::CLEANING_MODE_OLD, Zend_Cache::CLEANING_MODE_MATCHING_TAG, Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG, Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG))) {
Zend_Cache::throwException('Invalid cleaning mode');
}
self::_validateTagsArray($tags);
return $this->_backend->clean($mode, $tags);
}
/**
* Object destructor
*
* Clean up backend storage
*/
public function __destruct()
{
if ($this->_backend !== null) {
$this->_backend->clean(Zend_Cache::CLEANING_MODE_MATCHING_TAG, $this->_tags);
}
}
