note 96253 added to function.is-nan
| From: | Gilles at osu1 dot php dot net | Date: | Wed, 17 Feb 2010 13:22:17 +0000 |
| Subject: | note 96253 added to function.is-nan | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-166055@lists.php.net to get a copy of this message | ||
nez, please add a "!" in your function:
function isNaN( $var ) {
return !ereg("^[-]?[0-9]+([\.][0-9]+)?$", $var);
}
so that the fonction return TRUE when $var is not a number...
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Probable Submitter: 83.172.215.208
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Manual Page -- http://www.php.net/manual/en/function.is-nan.php
Edit -- https://master.php.net/note/edit/96253
Del: integrated -- https://master.php.net/note/delete/96253/integrated
Del: useless -- https://master.php.net/note/delete/96253/useless
Del: bad code -- https://master.php.net/note/delete/96253/bad+code
Del: spam -- https://master.php.net/note/delete/96253/spam
Del: non-english -- https://master.php.net/note/delete/96253/non-english
Del: in docs -- https://master.php.net/note/delete/96253/in+docs
Del: other reasons-- https://master.php.net/note/delete/96253
Reject -- https://master.php.net/note/reject/96253
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