3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $username = "derp_5_derp_@derp.com"; $username = substr(0, strpos('@', $username), $username); echo $username;
based on qTHim
Output for 7.0.0 - 7.1.0
Warning: substr() expects parameter 3 to be integer, string given in /in/XbcVJ on line 3
Output for 5.3.0 - 5.6.28
Warning: substr() expects parameter 3 to be long, string given in /in/XbcVJ on line 3
Output for 4.3.0 - 5.2.17