3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private const STUFF = 'yay'; public function doSomething() { var_dump(static::STUFF); } } class B extends A {} (new A())->doSomething(); (new B())->doSomething();
Output for 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
string(3) "yay" Fatal error: Uncaught Error: Undefined constant B::STUFF in /in/MDU2P:7 Stack trace: #0 /in/MDU2P(15): A->doSomething() #1 {main} thrown in /in/MDU2P on line 7
Process exited with code 255.
preferences:
51.95 ms | 857 KiB | 4 Q