3v4l.org

run code in 300+ PHP versions simultaneously
<?php class B { protected $c = 1; } class C1 extends B { function f(B $x) { return $x->c; } } class C2 extends B { protected $c = 2; } var_dump((new C1)->f(new C2));

This is an error 500

Value for `_results` contains invalid data `array`


preferences:
150.17 ms | 1468 KiB | 9 Q