public function get($key, &$token = null)
{
$token = null;
// let expired-but-not-yet-deleted files be deleted first
if (!$this->exists($key)) {
return false;
}
$data = $this->read($key);
if ($data === false) {
return false;
}
$value = unserialize($data[1]);
$token = $data[1];
return $value;
}