3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $matches=array(); preg_match("/[a-z]*[^ ]/i","php hhvm apache ",$matches); var_dump($matches);
based on kiPRZ
Output for 4.3.0 - 7.2.0
array(1) { [0]=> string(3) "php" }