3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = ((23 * 10) . "string"); echo '$a = ' . $a;
based on NbXan
Output for 4.3.0 - 5.6.28, hhvm-3.10.0, 7.0.0 - 7.1.0
$a = 230string
Output for hhvm-3.12.0

Process exited with code 137.