Online PHP editor | output for VA6KI

<?php class A { private function foo(int $bar) { echo "This is private"; } public function getClosure($bar) { return function () use ($bar) { $this->foo($bar)}; } } class B extends A { public function test(A $a, C $c) { $aFN = $a->getClosure("Hello"); $bFN = $this->getClosure("Hello"); $cFN = $c->getClosure("Hello"); $aFN(); $cFN(); } } class C extends B { public function foo(bool $bar) { echo "This is public"; } public function getClosure($bar) { return function () use ($bar) { $this->foo($bar)}; } } $a = new A; $c = new B; $obj = new B(); $obj->test($a, $c);