Online PHP editor | refs for KjCgn

<?php interface MyInterface { } class BaseClass implements MyInterface{ } class MyClass extends BaseClass{ } $object = new MyClass(); echo @is_subclass_of('BaseClass', 'BaseClass')? "Yes\n":"No\n"; echo @is_subclass_of('MyClass', 'BaseClass')? "Yes\n":"No\n"; echo @is_subclass_of('MyClass', 'MyInterface')? "Yes\n":"No\n"; echo @is_subclass_of('myclass', 'baseclass')? "Yes\n":"No\n"; echo @is_subclass_of('myClass', 'baseclass', false)? "Yes\n":"No\n"; echo @is_subclass_of($object, 'baseclass', false)? "Yes\n":"No\n"; echo @is_subclass_of($object, 'BaseClass')? "Yes\n":"No\n";