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how can I define validation rules?
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You need to be a lot more specific...
What are you validating? What are you wanting validated?Useful function to retrieve difference in times
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A good PHP FAQ
PLEASE remember to wrap your code in [PHP] tags.
PHP Code:// Replace this
if(isset($_POST['submitButton']))
// With this
if(!empty($_POST))
// Then check for values/forms. Some IE versions don't send the submit button
Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live.
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