on 06/10/2009 03:10 PM Eddie Drapkin said the following:
> I've been charged with writing a class that handles forms, once they've been
> POSTed to.  The idea of the class is to handle the most common use-cases of
> POST forms, and any special functionality can be handled with a child class
> at a later date, but for our uses, we're going to have mostly pretty typical
> POST forms.  Follows is the list of cases I've determined that are the most
> common, can anyone think of any that are omitted or that are never going to
> be used?
> class form_handler {
>     public /* bool */ function setRequiredFields(array $fields); //takes a
> simple array that corresponds to a $_POST key, verifying that there is data
> on required fields but not for optional fields, returns true or false on
> error
>     public /* bool */ function setRequiredFieldTypes(array $fieldTypes);
> //array of field names => type a la ('username' => array(regex,
> '/a-zA-Z0-9\-_/'))
>                 //or 'phone_number' => (array('int', 'min_len' => 7,
> 'max_len' => 10)) etc, the exact spec is obviously nowhere near done but
> will probably just wrap a lot of filter_ functions, returns true or false on
> error
>     public /* string */ function validateAndCaptureError(); //returns error
> or empty string
>     public /* void */ function validateAndForwardTo($page); //forwards to
> page on error, or not
> }
> each of the globule setters will have a corresponding appendRequired...
> method, so as not to require handling enormous data structures for
> conditional form building.
> ♦
> As you can see, the class looks pretty barren, but I can't think of any more
> functionality than would be required, although I am kickign the idea around
> of having very specific validation type methods ie.
> form_handler::requireInt($field, array $options) or
> form_handler::requireRegex($field, $regex), etc.
> Thoughts?

You may want consider not reinventing the wheel.

I use this popular forms generation and validation class since about 10
years now. It can deal with pretty much all you need now and probably later.


Here are some live examples of the class and its plug-ins.



Manuel Lemos

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