3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $secretProperty = "Hello"; private function secretMethod() { return 'World'; } } $privatePropertyAccessor = function($prop) { return $this->$prop; }; $privateMethodAccessor = function($method) { return call_user_func([$this, $method]); }; $foo = new Foo(); $x = $privatePropertyAccessor->bindTo($foo, 'Foo'); echo $x('secretProperty'); $y = $privateMethodAccessor->bindTo($foo, 'Foo'); echo $y('secretMethod');
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.32, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
HelloWorld
preferences:
260.9 ms | 404 KiB | 370 Q