3v4l.org

run code in 300+ PHP versions simultaneously
<?php function demo(callable $callback) { $callback(); } demo(new class ("Monde") { public function __invoke() { var_dump($this); } });
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
object(class@anonymous)#1 (0) { }
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/7r7Jm on line 7
Process exited with code 255.
preferences:
189.25 ms | 402 KiB | 258 Q