Posted by "Richard Lynch" on 10/30/77 11:33

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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