3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public static function bar() { return 'foobar'; } } class FooParent extends Foo { } $callable = [FooParent::class, 'parent::bar']; assert(\is_callable($callable)); assert(\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", "parent::bar"] are deprecated in /in/pdTUN on line 15 Deprecated: Callables of the form ["FooParent", "parent::bar"] are deprecated in /in/pdTUN on line 17 Fatal error: Uncaught Error: Call to undefined method FooParent::parent::bar() in /in/pdTUN:20 Stack trace: #0 {main} thrown in /in/pdTUN 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
Fatal error: Uncaught Error: Call to undefined method FooParent::parent::bar() in /in/pdTUN:20 Stack trace: #0 {main} thrown in /in/pdTUN on line 20
Process exited with code 255.
preferences:
139.49 ms | 408 KiB | 5 Q