3v4l.org

run code in 500+ PHP versions simultaneously
<?php interface Foo { public function bar(mixed $arg); } class T implements Foo { public function bar(...$args) { var_dump($args); } } $o = new T(); $o->bar();
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
array(0) { }

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73.08 ms | 1009 KiB | 4 Q