3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php assert(1==2, "1 does not equal 2");
Output for 5.4.8 - 7.1.0
Warning: assert(): 1 does not equal 2 failed in /in/Qc2Pq on line 2
Output for 5.3.0 - 5.4.7
Warning: assert() expects exactly 1 parameter, 2 given in /in/Qc2Pq on line 2
Output for 4.3.0 - 5.2.17
Warning: Wrong parameter count for assert() in /in/Qc2Pq on line 2