Online PHP editor | refs for MFSQf

@ 2016-05-19T15:09:05Z

<?
    class Dog { }
    class Poodle extends Dog { }
    $poppy = new Poodle( );
    print (int)($poppy instanceof Poodle);
    print "\n";
    print (int)is_subclass_of($poppy, "Poodle");
?>