Does anyone have any thoughts about implementing a similar option for passing
form context information to filters as we do for validators?
in Zend_Form_Element (current implementations):
/**
* Validate element value
*
* @param mixed $value
* @param mixed $context
* @return boolean
*/
public function isValid($value, $context = null)
{
....
}
/**
* Filter a value
*
* @param string $value
* @param string $key
* @return void
*/
protected function _filterValue(&$value, &$key)
{
foreach ($this->getFilters() as $filter) {
$value = $filter->filter($value);
}
}
change this to (adding context):
protected function _filterValue(&$value, &$key, $context = null)
{
foreach ($this->getFilters() as $filter) {
$value = $filter->filter($value, $context);
}
}
It would not have to be implemented this way. I am just trying to get the
point across. One of the caveats of this is that the form values might not
be filtered.
I raise this question because I wrote a validator for phone numbers. I would
like to submit this as a proposal soon. The X_Validator_Phone (I created)
takes into account Zend_Locale for the region. I currently have this
implemented for NANP:
http://en.wikipedia.org/wiki/North_American_Numbering_Plan
http://en.wikipedia.org/wiki/Country_calling_code
I would like to filter phone numbers based on a country being selected in a
form. This would require the context information to be passed to the filter.
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