note 22217 deleted from function.is-nan by felipe
| From: | felipe@php.net | Date: | Tue, 22 Jul 2008 19:08:31 +0000 |
| Subject: | note 22217 deleted from function.is-nan by felipe | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-142553@lists.php.net to get a copy of this message | ||
Note Submitter: paul at NOSPAM dot paultastic dot com
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See is_numeric if you have an older version of PHP than 4.20. It should serve your purpose well.
If you're using PHP 3, you can use a regular expression:
function isNaN( $var ) {
return ereg ("^[0-9\.]+$", $var);
}