3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ArrayClass { public function foo(array $foo) { // TODO } } class EverythingClass extends ArrayClass { public function foo($foo) { // TODO } }
Output for 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
Output for 7.0.0 - 7.0.24, 7.1.0 - 7.1.20
Warning: Declaration of EverythingClass::foo($foo) should be compatible with ArrayClass::foo(array $foo) in /in/J9JXR on line 17
preferences:
58.56 ms | 407 KiB | 5 Q