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<?php class Foo { public static function bar() { return 'foobar'; } } class FooParent extends Foo { } $callable = [FooParent::class, 'Foo::bar']; var_dump(\is_callable($callable)); var_dump(\call_user_func($callable) === 'foobar'); // Fail $callable();
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.30, 8.0.0 - 8.0.22, 8.1.0 - 8.1.9
bool(true) bool(true) Fatal error: Uncaught Error: Call to undefined method FooParent::Foo::bar() in /in/QULq6:20 Stack trace: #0 {main} thrown in /in/QULq6 on line 20
Process exited with code 255.

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