3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function test(&$var) { echo $var; $var++; } $test = 1; test(1);
based on HipqJ
Output for 4.3.2 - 5.4.31
Fatal error: Only variables can be passed by reference in /in/FooDV on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Only variables can be passed by reference in /in/FooDV on line 10