3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $var = 1; function &retRef() { global $var; return $var; } $x = retRef(); $x = 2; var_dump($var, $x);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(1) int(2)