note 81197 added to function.ctype-digit

You can also make use of PHP loose type comparaison: <?php $vars = array("10", 10, '10.9', 10.9, 'ten'); foreach ($vars as $var) { if ((string)intval($var) == $var) { echo 'true'; } else { echo 'false'; } } ?> Returns true, true, false, false, false The casting to (string) is necessery as PHP automaticly converts string to number when you compare an interger to a string See the manual: language.types.string.php#language.types.string.conversion ---- Server IP: 216.235.15.211 Probable Submitter: 69.156.8.89 ---- Manual Page -- http://www.php.net/manual/en/function.ctype-digit.php Edit -- https://master.php.net/note/edit/81197 Del: integrated -- https://master.php.net/note/delete/81197/integrated Del: useless -- https://master.php.net/note/delete/81197/useless Del: bad code -- https://master.php.net/note/delete/81197/bad+code Del: spam -- https://master.php.net/note/delete/81197/spam Del: non-english -- https://master.php.net/note/delete/81197/non-english Del: in docs -- https://master.php.net/note/delete/81197/in+docs Del: other reasons-- https://master.php.net/note/delete/81197 Reject -- https://master.php.net/note/reject/81197 Search -- https://master.php.net/manage/user-notes.php