/**
* @see Zend_Cache_Backend_Apc::clean()
*
* @param string $mode clean mode
* @param array $tags array of tags
* @return boolean true if no problem
*/
public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array())
{
if ($mode == Zend_Cache::CLEANING_MODE_ALL) {
return parent::clean($mode, $tags);
}
if ($mode == Zend_Cache::CLEANING_MODE_OLD) {
$this->_log("Better_Cache_Backend_Apc::clean() : CLEANING_MODE_OLD is unsupported by the Apc backend");
}
if ($mode == Zend_Cache::CLEANING_MODE_MATCHING_TAG) {
$tagArray = unserialize(apc_fetch(self::TAG_LIST));
foreach ($tagArray as $tag => $items) {
if (in_array($tag, $tags)) {
foreach ($items as &$id) {
$this->remove($id);
}
}
}
return true;
}
if ($mode == Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG) {
$tagArray = unserialize(apc_fetch(self::TAG_LIST));
foreach ($tagArray as $tag => &$items) {
if (!in_array($tag, $tags)) {
foreach ($items as $id) {
$this->remove($id);
unset($id);
}
}
}
return true;
}
return false;
}
