3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(reset(array());
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.17
Fatal error: Only variables can be passed by reference in /in/7hm7B on line 3
Process exited with code 255.
preferences:
178.89 ms | 1395 KiB | 53 Q