3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php preg_match("/^PHP/", "APHP", $matches); echo $matches[0]; // 1234 ?>
Output for 5.3.0 - 7.2.0
Notice: Undefined offset: 0 in /in/0Gv6l on line 3
Output for 4.3.0 - 5.2.17
Notice: Undefined offset: 0 in /in/0Gv6l on line 3