- urlencode: documentation ( source)
<?php
echo urlencode('%253Fruuid%253Dshk8kEIdEeOghQAdCf2s0A%2526cid%253D2879325%2526pid%253D124%2526d%253D60811%2526v%253D4%2526m%253D0%2526t%253D0%2526s%253D1001%2526aid%253D14772299%2526agid%253D4267%2526c%253D4283%2526l%253D38%2526e%253D4%2526f%253D150809%2526av%253D2031%2526g%253D24c76572a8%2526j%253D11%2526sig%253Da258c40b68cb1b5aa0d917bf44aba2b8');