FormRecovery::getDataFromForm

static function getDataFromForm(array $collectionAvailableFields, array $fieldsFromForm, array $specialFields)
{
	$result = array();
	foreach ($fieldsFromForm as $fieldKey => $fieldValue)
		if (in_array($fieldKey, $collectionAvailableFields) && !in_array($fieldKey, $specialFields))
			$result[$fieldKey] = $fieldValue;

	return $result;
}