/**
* Delete a cache entry based on id
* @param string id of entry to delete
* @param integer timeout of entry, if zero item is deleted immediately, otherwise the item will delete after the specified value in seconds
* @return boolean
*/
public function delete($id, $timeout = 0)
{
$key = $this->_sanitize_id($id);
if ($timeout == 0) {
if (mb_substr($key, -2) == ":*") {
$key = $this->_rediska->getKeysByPattern($key);
}
if ($key) {
$this->_rediska->delete($key);
}
} else {
$this->_rediska->setAndExpire($key, $this->get($id), $timeout);
}
return true;
}
/**
* We manually remove keys as the redis glob style * == sfCache ** style
*
* @see sfCache
*/
public function removePattern($pattern)
{
$pattern = $this->getKey($pattern);
$regexp = self::patternToRegexp($pattern);
$keys = $this->_rediska->getKeysByPattern($pattern);
foreach ($keys as $key) {
if (preg_match($regexp, $key)) {
$this->remove(substr($key, strlen($this->getOption('prefix'))));
}
}
}
/**
* Fetch an array of all keys stored in cache
*
* @return array Returns the array of cache keys
*/
protected function _getCacheKeys()
{
return $this->_rediska->getKeysByPattern('*');
}
