Online PHP editor | output for 9GVr8

<?php set_error_handler(function($errno, $errstr, $errfile, $errline){ echo $errstr; $myclass = new MyClass1; }); spl_autoload_register(function($class){ return eval("class $class{}") }); $myclass = new MyClass2; eval(' class MyConcrete extends MyAbstract { public static function createInstance() {} } abstract class MyAbstract { public abstract static function createInstance(); } ');