3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $url = "http://formulasexcel.com/confirmacion-registro/?=https://feedburner.google.com/fb/a/mailconfirm?k=o8HyPqjnH9lONjqz3TSM4chxSW8"; end(explode('?=', $url));
Output for 7.0.0 - 7.2.0
Notice: Only variables should be passed by reference in /in/PXlae on line 5
Output for 5.3.19 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/PXlae on line 5