3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function fn (&$var){ $var = $var-($var/10*5); return $var; } echo fn(100);
Output for 5.3.0 - 5.4.21
Fatal error: Only variables can be passed by reference in /in/UPm9H on line 11
Process exited with code 255.