3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public bool $bar; } $foo = new Foo(); $foo->bar = true; unset($foo->bar); var_dump($foo->bar);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Fatal error: Uncaught Error: Typed property Foo::$bar must not be accessed before initialization in /in/maRST:10 Stack trace: #0 {main} thrown in /in/maRST on line 10
Process exited with code 255.

preferences:
129.14 ms | 407 KiB | 5 Q