+ // Set must-fillout fields
+ $return['mapped_data'] = runFilterChain('register_must_fillout', $return['mapped_data']);
+
+ // Add missing elements
+ $return['mapped_data']['gender'] = NULL;
+ $return['mapped_data']['birthday_selection'] = generateDayMonthYearSelectionBox($return['mapped_data']['birth_day'], $return['mapped_data']['birth_month'], $return['mapped_data']['birth_year']);
+ $return['mapped_data']['challenge'] = getRequestElement('challenge');
+ $return['mapped_data']['__challenge_response'] = getRequestElement('__challenge_response');
+