Online PHP editor | refs for 74cAq

<?php set_error_handler(function($errno, $errstr, $errfile, $errline){ echo $errstr."\n"; new MyOtherClass; }); spl_autoload_register(function($class){ echo $class."\n"; return eval("class $class{}"); }); trigger_error('Boo', E_USER_NOTICE); new MyClass; eval(' class MyConcrete extends MyAbstract { public static function createInstance() {} } abstract class MyAbstract { public abstract static function createInstance(); } ');