note 25864 added to function.is-numeric
| From: | oliver dot ahlberg at smp dot se | Date: | Wed, 09 Oct 2002 10:58:55 +0000 |
| Subject: | note 25864 added to function.is-numeric | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-37837@lists.php.net to get a copy of this message | ||
This small functions should do the trick, but doesn't handle exponentials. (You should be able
to figure out the exp part easily.)
function str_is_numeric($var) {
if ($var+1 != 1 || $var == "0") {
return true;
} else {
return false;
}
}
--
http://www.php.net/manual/en/function.is-numeric.php
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