Online PHP editor | refs for OSd99

<?php error_reporting(-1); ini_set('display_errors', 1); abstract class ParentClass { public function method() { echo __CLASS__, "\n"; } } abstract class ExtendedClass extends ParentClass { public function method() { if (is_callable('parent::' . __FUNCTION__)) { parent::method(); } } } class Concrete extends ExtendedClass { public function testMethod() { $this->method(); } } $test = new Concrete(); $test->testMethod();