/**
* 清楚redis中的所有缓存
*/
public function flush()
{
if ($this->_prefix) {
$keys = $this->_client->keys($this->_prefix);
} else {
$keys = $this->_client->keys("*");
}
foreach ((array) $keys as $k) {
$this->_client->del($k);
}
}
/**
* Return an array of stored cache ids
*
* @return array array of stored cache ids (string)
*/
public function getIds()
{
if ($this->_notMatchingTags) {
return (array) $this->_redis->sMembers(self::SET_IDS);
} else {
$keys = $this->_redis->keys(self::PREFIX_KEY . '*');
$prefixLen = strlen(self::PREFIX_KEY);
foreach ($keys as $index => $key) {
$keys[$index] = substr($key, $prefixLen);
}
return $keys;
}
}