3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function sum ( $x, $y) { $z= $x+$y; echo "<br>". $z; } function sub ( $x, $y) { $z= $x-$y; echo "<br>". $z; } sum(9,3); sub(9,3); ?>
based on F8LtV
Output for 4.3.0 - 7.2.0
<br>12<br>6