3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = "http://external.ak.fbcdn.net/safe_image.php?d=AQD-PsVh6CG6Q2RK&w=154&h=154&url=https\u00253A\u00252F\u00252Ffbcdn-sphotos-b-a.akamaihd.net\u00252Fhphotos-ak-prn1\u00252Ft1\u00252F1623737_673137756072004_537520808_n.jpg"; $arr = explode("url=", $str); echo $arr[1];
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
https\u00253A\u00252F\u00252Ffbcdn-sphotos-b-a.akamaihd.net\u00252Fhphotos-ak-prn1\u00252Ft1\u00252F1623737_673137756072004_537520808_n.jpg