/**
* 取得客户端数据
*
* @param string $key
*
* @return mixed
*/
public static function getClientData($key)
{
$clientDataArray = ClientData::getClientDataArray();
if (empty($clientDataArray)) {
return null;
}
if (array_key_exists($key, $clientDataArray)) {
return $clientDataArray[$key];
}
return null;
}
