3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public int $uninitializedTyped; public $uninitialized; public int $initializedTyped = 0; public $ininitialized = 0; } $foo = new Foo(); var_dump(get_class_vars(get_class($foo))); var_dump(get_object_vars($foo));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array(4) { ["uninitializedTyped"]=> NULL ["uninitialized"]=> NULL ["initializedTyped"]=> int(0) ["ininitialized"]=> int(0) } array(3) { ["uninitialized"]=> NULL ["initializedTyped"]=> int(0) ["ininitialized"]=> int(0) }
preferences:
118.25 ms | 403 KiB | 123 Q