3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected function _a() { return 'waa?'; } } $c = function() { return $this->_a(); }; $a = new A; $c = $c->bindTo($a, 'A'); var_dump($c); $c();

preferences:
29.52 ms | 402 KiB | 5 Q