* CalendarGroupDTO comparator

2 files changed, 6 insertions, 6 deletions

diff --git a/app/php/components/UserSelection.php b/app/php/components/UserSelection.php
index 92b8463..7b10b40 100644
--- a/app/php/components/UserSelection.php
+++ b/app/php/components/UserSelection.php
@@ -58,12 +58,7 @@ class UserSelection extends TTemplateControl {
                 },
                 $categories
             );
-            usort(
-                $categories,
-                function($cat1, $cat2) {
-                    return strcmp($cat1->Name, $cat2->Name);
-                }
-            );
+            usort($categories, ['CalendarGroupDTO', '__compare']);
             return $categories;
         }
         return [];
diff --git a/app/php/dto/CalendarGroupDTO.php b/app/php/dto/CalendarGroupDTO.php
index 779422d..a03afde 100644
--- a/app/php/dto/CalendarGroupDTO.php
+++ b/app/php/dto/CalendarGroupDTO.php
@@ -26,6 +26,11 @@ class CalendarGroupDTO {
         usort($this->Calendars, ['CalendarDTO', '__compare']);
     }
 
+    public static function __compare(CalendarGroupDTO $cat1,
+                                     CalendarGroupDTO $cat2) {
+        return strcmp($cat1->Name, $cat2->Name);
+    }
+
 }
 
 ?>