3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = preg_match('/^\d+$/','12345', $m); echo $m[0];
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.14.4, 7.0.0 - 7.1.0
12345