Online PHP editor | refs for npdcA

@ 2013-06-24T15:47:11Z

<?php
function check_int($i) {
	if (preg_match('[^0-9]', $i)) {
		return 0;
	} else {
		return 1;
	}
}


function check_int1($i) {
	return (strval((int)$i) === strval($i));
}


echo check_int1(10) ? "It's an int" : "It's not an int";