Online PHP editor | refs for MWXtb

<?php if (version_compare(PHP_VERSION, '5.4.0', '<')) { echo 'Skip, no closures support'; return; } class Base { public static function hi() { $cl = function(){ echo Left::$prot; }; $cl(); } } class Left extends Base { protected static $prot = "Hello, world!\n"; } class Right extends Base { } Base::hi(); Right::hi();