note 10136 added to intval
| From: | supad at supaddiffusion dot com | Date: | Fri, 15 Dec 2000 02:22:09 +0000 |
| Subject: | note 10136 added to intval | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-8748@lists.php.net to get a copy of this message | ||
intval() is usefull to see if a var is a number or a letter.
$test1 = "11";
$test2 = "RT";
intval($test1) returns 11
intval($test2) returns 0
So, except if your number is 0, a 0 will mean it's a letter...
http://www.php.net/manual/function.intval.php