/**
* Get the value of a key.
*
* This method returns null if the key was not found.
*
* @param string $key
* @return mixed
*/
public function get($key)
{
$filename = $this->_getFilename($key);
$data = Storage::readPHPData($filename);
if ($data === false) {
return null;
} elseif (!is_array($data) || count($data) < 2 || $data[0] > 0 && $data[0] < time()) {
Storage::delete($filename);
return null;
} else {
return $data[1];
}
}
