note 108805 modified in function.is-int by danbrown
| From: | danbrown@php.net | Date: | Fri, 25 May 2012 15:20:38 +0000 |
| Subject: | note 108805 modified in function.is-int by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-188228@lists.php.net to get a copy of this message | ||
Simple checking for integer: <?php if
(strval(intval($var)) == strval($var)) { // $var is
integer } ?> This
return true if and only if $var is really integer. Without letters next to it, without
"+" sign etc. We can use it in mysql query for example.
--was--
Simple checking for integer:
if (strval(intval($var)) == strval($var)) {
// $var is integer
}
This return true if and only if $var is really integer. Without letters next to it, without
"+" sign etc.
We can use it in mysql query for example.
http://php.net/manual/en/function.is-int.php