I'm not quite sure why you're going through all the trouble.
Validation is supposed to work transparently in the background.
If a field in your input data has a corresponding rule in the model,
it'll be validated, thus always ensuring sane input into your
database. If you're only sending the new password field, than only
that's going to be validated.
The catch is setting 'required' => true on a rule, which means that
the field has to be present every time in your input data.
On 20 May 2008, at 11:46, Matt Huggins wrote:
>
> Alright, well I solved my own problem. It might not be the most
> efficient method, but given that I didn't find anything within CakePHP
> to handle this, I think it's pretty good. In case anyone else is
> looking for how to do it, here's what I did. Within app_model.php,
> simply create the following function:
>
> /**
> * Name: validates()
> * Desc: Allow only specified fields to be validated for a model.
> */
> function validates($fieldList = null) {
> // If no fields are specified, then simply use the standard
> validation method.
> if ($fieldList === null) {
> return parent::validates();
> } else {
> // If a single value is passed as a string, convert it to an
> array.
> if (!is_array($fieldList)) {
> $fieldList = array($fieldList);
> }
>
> // If the validation array is not set for the model, then there
> is
> nothing to check.
> if (!isset($this->validate) || empty($this->validate)) {
> return true;
> } else {
> // Create a placeholder for the original validation
> array, then
> filter out
> // any fields that do not require validation. Perform
> the
> validation, then
> // restore the original validation array for the model.
> $validate = $this->validate;
> $this->validate = array_intersect_key($this->validate,
> array_flip($fieldList));
> $result = parent::validates();
> $this->validate = $validate;
>
> return $result;
> }
> }
> }
>
> Now, when you want to validate specific fields, just pass an array of
> field names to the validates() function.
>
> $this->Member->set($this->data);
> $result = $this->Member->validates(array('password', 'password2'));
> >
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