note 25817 added to function.is-numeric
| From: | johnraphone at yahoo dot com | Date: | Mon, 07 Oct 2002 21:54:03 +0000 |
| Subject: | note 25817 added to function.is-numeric | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-37759@lists.php.net to get a copy of this message | ||
This is a very useful function. If you need to check user input and make sure its just numbers you
could do..
if (!is_numeric($age)){
echo "your age contains letters, please go back and correct.\n";
exit;
}
John
http://www.helpfulreviews.com/
--
http://www.php.net/manual/en/function.is-numeric.php
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