Online PHP editor | refs for oAlI2

<?php class ParentClass { public function method1(): string { return self::protectedMethod1(); } protected function protectedMethod1(): string { return 'parent'; } } class ChildClass extends ParentClass { public function method1(): string { return parent::method1(); } protected function protectedMethod1(): string { return 'child'; } } $c = new ChildClass; var_dump($c->method1());