3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function &test() { echo "hi"; } $a = &test();
Output for 4.4.0 - 4.4.9, 5.1.0 - 5.6.28, 7.0.0 - 7.1.0
hi Notice: Only variable references should be returned by reference in /in/v5XrY on line 4
Output for 4.3.0 - 4.3.11, hhvm-3.10.0 - 3.12.0
hi
Output for 5.0.0 - 5.0.5
hi Strict Standards: Only variable references should be returned by reference in /in/v5XrY on line 4