- var_dump: documentation ( source)
- urldecode: documentation ( source)
<?php
var_dump(urldecode('%D0%BC%D0%BE%D0%BD%D0%B8%D1%82%D0%BE%D1%80%D0%B8%D0%BD%D0%B3%20%D1%86%D0%B5%D0%BD%20%D0%BA%D0%BE%D0%BD%D0%BA%D1%83%D1%80%D0%B5%D0%BD%D1%82%D0%BE%D0%B2'));