3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function foo() { var_dump($this); } } class B extends A { function bar() { A::foo(); $cb = ["A","foo"]; $cb(); $cb = "A::foo"; $cb(); } } $b = new B(); $b->bar();

preferences:
47.63 ms | 2097 KiB | 5 Q