Re: shortest possible check: field is set, integer or 0
| From: | Richard Lynch | Date: | Wed, 30 Nov 2005 23:19:37 +0000 |
| Subject: | Re: shortest possible check: field is set, integer or 0 | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-226670@lists.php.net to get a copy of this message | ||
On Wed, November 30, 2005 5:10 pm, Chris Lott wrote:
> What is the shortest possible check to ensure that a field coming from
> a form as a text type input is either a positive integer or 0, but
> that also accepts/converts 1.0 or 5.00 as input?
This might be good enough:
if (isset($_POST['x'])){
if (!preg_match('/([0-9]*)(\\.0*)?/', $_POST['x']){
//invalid
}
else{
$_CLEAN['x'] = (int) $_POST['x'];
}
}
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