3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 'hello,bello'; array_pop(explode(',', $a));
Output for 7.0.0 - 7.1.0
Notice: Only variables should be passed by reference in /in/26kUi on line 4
Output for 5.1.0 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/26kUi on line 4
Output for 5.0.5
Fatal error: Only variables can be passed by reference in /in/26kUi on line 4
Process exited with code 255.
Output for 4.3.0 - 5.0.4