Online PHP editor | refs for rgBFP

<?php var_dump("0" == "checked"); var_dump(0 == "checked"); var_dump("0" === "checked"); var_dump(0 === "checked"); var_dump("checked" == "0"); var_dump("checked" == 0); var_dump("checked" === "0"); var_dump("checked" === 0); var_dump(0 == "0"); var_dump(0 === "0"); var_dump(1 == "1"); var_dump(1 === "1");