3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $foo = 'foo'; } $getState = function () { return $this->foo; }; $foo = new Foo(); $getStateBound = $getState->bindTo($foo, $foo); var_dump($getStateBound()); $viaStatic = Closure::bind($getState, $foo, $foo); var_dump($viaStatic());
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.2.19, 8.3.0 - 8.3.7
string(3) "foo" string(3) "foo"
preferences:
174.3 ms | 404 KiB | 184 Q