- pathinfo: documentation ( source)
- var_dump: documentation ( source)
- preg_replace: documentation ( source)
<?php
var_dump(preg_replace('/\?.*$/', '', pathinfo('http://4.bp.blogspot.com/-w9IHwA3AcMA/UwygXddzYVI/AAAAAAAACoc/ExetJqjOaQs/s1600/PU+flyer_3-13.jpg?v=dsfadsf')['basename']));