3v4l.org

run code in 500+ PHP versions simultaneously
<?php $object = new X(); $one = $object->foo(); // X::foo $two = new $object->foo(); // object Y {} class X { public $foo = Y::class; function foo() { return __METHOD__; } } class Y {} ?>
Output for 8.1.32 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.21, 8.5.0 - 8.5.6

preferences:
50.5 ms | 847 KiB | 4 Q