/**
* Runs garbage collection against the sessions, deleting all those that are older than
* the number of seconds passed to this function.
*
* @param int $maxlifetime The maximum life of a session in seconds.
*
* @return bool Whether or not the operation was successful.
*/
public static function gc($maxlifetime)
{
$end = time() - $maxlifetime;
self::$table->filter(function ($x) use($end) {
return $x('updated')->lt($end);
})->delete()->run(self::$conn);
return true;
}
