3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $matches=array(); preg_match("/ [a-z]*/i","php hhvm apache",$matches); var_dump($matches);
based on moGp9
Output for 4.3.0 - 7.1.0
array(1) { [0]=> string(5) " hhvm" }