Online PHP editor | refs for YDG13

<?php $json = <<<JSON {"general":{ "round-corner":"0", "border-stroke":"2", "background-color äü??$%§":"#ffffff" } } JSON; $obj = json_decode($json); $keyName = "round-corner"; var_dump($obj->general->{'round-corner'}); var_dump($obj->general->$keyName); var_dump($obj->general->{'background-color äü??$%§'});