3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); function foo(&$v) { var_dump($v); } foo((object) array());
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.30, 5.6.8 - 5.6.16, 7.0.0 - 7.0.1
Fatal error: Only variables can be passed by reference in /in/0b5Wb on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Only variables can be passed by reference in /in/0b5Wb on line 6
preferences:
104.77 ms | 401 KiB | 151 Q