3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function m() { return array('dog'); } echo current(m());
Output for 4.3.0 - 5.0.4, 5.1.0 - 7.1.0
dog
Output for 5.0.5
Fatal error: Only variables can be passed by reference in /in/2bA3L on line 7
Process exited with code 255.