CRM-20156 - Code cleanup - Do not pass as ref for OptionGroup::lookupValues

diff --git a/CRM/Core/OptionGroup.php b/CRM/Core/OptionGroup.php
index c6e8a79c9a05d2227e07e2b41100b373d03f9c2f..cff3d392648f8d87e887b5b8f9e39162dbf323ca 100644 (file)
--- a/CRM/Core/OptionGroup.php
+++ b/CRM/Core/OptionGroup.php
@@ -281,7 +281,7 @@ WHERE  v.option_group_id = g.id
    *
    * @param bool $flip
    */
-  public static function lookupValues(&$params, &$names, $flip = FALSE) {
+  public static function lookupValues(&$params, $names, $flip = FALSE) {
     foreach ($names as $postName => $value) {
       // See if $params field is in $names array (i.e. is a value that we need to lookup)
       if ($postalName = CRM_Utils_Array::value($postName, $params)) {