remove captcha data from array

includes/utilities.inc

@@ -170,11 +170,15 @@ function upei_roblib_ill_clean_array($values)
   unset($arr['doi']);
   unset($arr['doi_button']);
   unset($arr['honeypot_time']);
+  unset($arr['captcha_sid']);
+  unset($arr['captcha_token']);
+  unset($arr['captcha_response']);
   array_walk($arr, 'upei_roblib_ill_check_arr_item');
   return $arr;
 }
 
-function upei_roblib_ill_check_arr_item(&$value, $key) {
+function upei_roblib_ill_check_arr_item(&$value, $key)
+{
   if (is_array($value)) {
     array_walk($value, 'upei_roblib_ill_check_arr_item');
   }