3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function add($eins, $zwei){ return $eins +$zwei; } function minus($eins, $zwei){ return $eins -$zwei; } function con($ein){ return $ein.='Hallo'; } echo con('Lisa');
based on lOCjm
Output for 4.3.0 - 7.2.0
LisaHallo