diff --git a/src/includes/class/class.LSattr_html_select_list.php b/src/includes/class/class.LSattr_html_select_list.php
index 905c83e4..69afc4fb 100644
--- a/src/includes/class/class.LSattr_html_select_list.php
+++ b/src/includes/class/class.LSattr_html_select_list.php
@@ -187,11 +187,11 @@ class LSattr_html_select_list extends LSattr_html{
    * Function use with uasort to sort two values in ASC order
    *
    * @param string $va One value
-   * @param string $va One value
+   * @param string $vb Another value
    *
    * @return int Value for uasort
    **/
-  protected static function _sortTwoValuesAsc(&$va,&$vb) {
+  protected static function _sortTwoValuesAsc($va,$vb) {
     if (is_array($va)) {
       // Force sub-options at the end
       $nva='ZZZZ'.$va['label'];
@@ -217,11 +217,11 @@ class LSattr_html_select_list extends LSattr_html{
    * Function use with uasort to sort two values in DESC order
    *
    * @param string $va One value
-   * @param string $va One value
+   * @param string $vb Another value
    *
    * @return int Value for uasort
    **/
-  protected static function _sortTwoValuesDesc(&$va,&$vb) {
+  protected static function _sortTwoValuesDesc($va,$vb) {
     return (-1 * static :: _sortTwoValuesAsc($va,$vb));
   }
 
diff --git a/src/includes/class/class.LSformElement_select_object.php b/src/includes/class/class.LSformElement_select_object.php
index f83cb4fd..fddd912b 100644
--- a/src/includes/class/class.LSformElement_select_object.php
+++ b/src/includes/class/class.LSformElement_select_object.php
@@ -149,11 +149,11 @@ class LSformElement_select_object extends LSformElement {
    * Function use with uasort to sort two values
    *
    * @param array $va One value
-   * @param array $va One value
+   * @param array $va Another value
    *
    * @return int Value for uasort
    **/
-  private function _sortTwoValues(&$va,&$vb) {
+  private function _sortTwoValues($va, $vb) {
     if ($this -> getParam('html_options.sortDirection') == 'DESC') {
       $dir=-1;
     }
diff --git a/src/includes/class/class.LSsearch.php b/src/includes/class/class.LSsearch.php
index 8f8bdf08..b63c07e0 100644
--- a/src/includes/class/class.LSsearch.php
+++ b/src/includes/class/class.LSsearch.php
@@ -1392,12 +1392,12 @@ class LSsearch extends LSlog_staticLoggerClass {
   /**
    * Function use with uasort to sort two entry
    *
-   * @param LSsearchEntry &$a One entry of result
-   * @param LSsearchEntry &$b One entry of result
+   * @param LSsearchEntry $a One entry of result
+   * @param LSsearchEntry $b Another entry of result
    *
    * @return int Value for uasort
    **/
-  private function _sortTwoEntry(&$a,&$b) {
+  private function _sortTwoEntry($a, $b) {
     $sortBy = $this -> params['sortBy'];
     $sortDirection = $this -> params['sortDirection'];
     if ($sortDirection=='ASC') {