3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo(&$x) {} foo(new StdClass);
Output for 7.0.14 - 7.1.0
Notice: Only variables should be passed by reference in /in/cLpE9 on line 3
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.0.6
Output for hhvm-3.10.0

Process exited with code 153.