3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php assert( false, 'XXX' );
Output for 5.4.8 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Warning: assert(): XXX failed in /in/1uEu9 on line 3
Output for hhvm-3.10.0
Output for 5.3.0 - 5.4.7
Warning: assert() expects exactly 1 parameter, 2 given in /in/1uEu9 on line 3
Output for 4.3.0 - 5.2.17
Warning: Wrong parameter count for assert() in /in/1uEu9 on line 3