- urldecode: documentation ( source)
<?php
echo urldecode('%e7%88%86%ef%bc%81shopbop%e7%83%a7%e5%8c%85%e7%bd%91-%e5%85%a8%e7%ab%99%e9%a2%9d%e5%a4%967-5%e6%8a%98%ef%bc%8c%e5%89%91%e6%a1%a5%e5%8c%85%ef%bc%8c5050%e9%ab%98%e7%ad%92%e9%9d%b4%ef%bc%8csf%e8%9d%b4');