3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function remNum( $text ) { echo preg_replace("/[^0-9]/","",$text); } remNum("123wret456fgh678"); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
123456678