- urldecode: documentation ( source)
<?php
echo urldecode('http://www.cw.dev/en/career-search/map?map_filter%5BcareerId%5D=7931_116&title=Bricklayer&map_filter%5Blocation%5D=Wales&map_filter%5Btype%5D%5B%5D=2&map_filter%5Btype%5D%5B%5D=5&map_filter%5Btype%5D%5B%5D=4');