3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function listing() { return array("foo", "bar"); } $first = reset(listing()); var_dump($first); ?>
Output for 7.0.0 - 7.1.0
Notice: Only variables should be passed by reference in /in/TVQNI on line 5 string(3) "foo"
Output for 5.1.0 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/TVQNI on line 5 string(3) "foo"
Output for 5.0.5
Fatal error: Only variables can be passed by reference in /in/TVQNI on line 5
Process exited with code 255.
Output for 4.3.0 - 5.0.4
string(3) "foo"