3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Null { } $n = new Null; var_dump($n);
Output for 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 - 5.5.35, 5.6.8 - 5.6.28
object(Null)#1 (0) { }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
object(null)(0) { }
preferences:
137.99 ms | 1720 KiB | 6 Q