The substr function's a good safeguard, as well as using the maxlength="8"
param in the tag for the text field (in the HTML) =)
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> I've got a problem where people are entering extra characters (due to an
> inonsistency in the tracking numbers they are being given) in a number
> they are entering in a form field. I have a PHP script querying a MySQL
> database. What's the easiest way to take the input and use only the
> fi
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