3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { } class B extends A { public parent $instOfParent; # equivalent to "public A $instOfParent" } class C extends B { } class Beta extends A { } $b = new B(); $b->instOfParent = new A(); # A is B's parent var_dump($b); $b->instOfParent = new A(); # B is a sub-class of A var_dump($b); $b->instOfParent = new C(); # C is a sub-sub-class of A var_dump($b); $b->instOfParent = new Beta(); # Beta is a sub-class of A (but not of B) var_dump($b);

This is an error 500

Value for `_results` contains invalid data `array`


preferences:
191.31 ms | 2171 KiB | 11 Q