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<?php class Foo {private $a=1;} class Bar extends Foo { function test() { var_dump($this); } } $closure = (new \ReflectionMethod('Bar','test'))->getClosure(new Bar); $object = new Foo; $closure = $closure->bindTo($object, get_class($object)); $closure();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Cannot bind method Bar::test() to object of class Foo in /in/lsGuQ on line 13 Fatal error: Uncaught Error: Value of type null is not callable in /in/lsGuQ:14 Stack trace: #0 {main} thrown in /in/lsGuQ on line 14
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Cannot bind method Bar::test() to object of class Foo in /in/lsGuQ on line 13 Fatal error: Uncaught Error: Function name must be a string in /in/lsGuQ:14 Stack trace: #0 {main} thrown in /in/lsGuQ on line 14
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Warning: Cannot rebind scope of closure created by ReflectionFunctionAbstract::getClosure() in /in/lsGuQ on line 13 Fatal error: Uncaught Error: Function name must be a string in /in/lsGuQ:14 Stack trace: #0 {main} thrown in /in/lsGuQ on line 14
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
object(Foo)#1 (1) { ["a":"Foo":private]=> int(1) }

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