3v4l.org

run code in 300+ PHP versions simultaneously
<?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 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Deprecated: Callables of the form ["FooParent", "Foo::bar"] are deprecated in /in/QULq6 on line 15 bool(true) Deprecated: Callables of the form ["FooParent", "Foo::bar"] are deprecated in /in/QULq6 on line 17 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.
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, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33
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.
preferences:
125.98 ms | 408 KiB | 5 Q