3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(1); end(@array_keys($a));
Output for 7.0.0 - 7.1.0
Notice: Only variables should be passed by reference in /in/ODFOL on line 4
Output for hhvm-3.10.0 - 3.12.0
Strict Warning: Only variables should be passed by reference in /in/ODFOL on line 4
Output for 4.3.0 - 5.6.28