3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump();
Output for 5.3.0 - 5.6.30, 7.0.0 - 7.2.1
Warning: var_dump() expects at least 1 parameter, 0 given in /in/im0IK on line 3
Output for hhvm-3.22.0
Warning: var_dump() expects exactly 1 parameter, 0 given in /in/im0IK on line -1
Output for hhvm-3.10.1 - 3.21.3
Warning: var_dump() expects exactly 1 parameter, 0 given in /in/im0IK on line 3
Output for 4.3.0 - 5.2.17
Warning: Wrong parameter count for var_dump() in /in/im0IK on line 3