3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $a;function Foo($a){$this->a = $a} }; $a = null; $f = new Foo($a = 123); echo $a;
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.24
Parse error: syntax error, unexpected '}' in /in/p5Dde on line 2
Process exited with code 255.
preferences:
178.55 ms | 1395 KiB | 61 Q