3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo array_pop(explode("yo@yoyo.nl",'@'));
Output for 7.0.0 - 7.2.0
Notice: Only variables should be passed by reference in /in/njJPq on line 3 @
Output for 4.3.0 - 5.0.4, hhvm-3.10.1 - 3.17.3
@
Output for 5.1.0 - 5.6.30
Strict Standards: Only variables should be passed by reference in /in/njJPq on line 3 @
Output for 5.0.5
Fatal error: Only variables can be passed by reference in /in/njJPq on line 3
Process exited with code 255.