Online PHP editor | refs for a8nVA

<?php $x = false; var_dump($x !== "" && $x == null); $x = 0; var_dump($x !== "" && $x == null); $x = array(); var_dump($x !== "" && $x == null); $x = 0.0; var_dump($x !== "" && $x == null); $x = "0"; var_dump($x !== "" && $x == null); $x = new stdClass(); var_dump($x !== "" && $x == null);