2 files changed, 5 insertions, 6 deletions
diff --git a/app/php/dto/CalendarDTO.php b/app/php/dto/CalendarDTO.php
index 302fcf4..a222cd6 100644
--- a/app/php/dto/CalendarDTO.php
+++ b/app/php/dto/CalendarDTO.php
@@ -14,6 +14,10 @@ class CalendarDTO {
         $this->Website = $calendarRecord->Website;
     }
 
+    public static function __compare(CalendarDTO $cal1, CalendarDTO $cal2) {
+        return strcmp($cal1->Name, $cal2->Name);
+    }
+
 }
 
 ?>
diff --git a/app/php/dto/CalendarGroupDTO.php b/app/php/dto/CalendarGroupDTO.php
index 75ec6c6..779422d 100644
--- a/app/php/dto/CalendarGroupDTO.php
+++ b/app/php/dto/CalendarGroupDTO.php
@@ -23,12 +23,7 @@ class CalendarGroupDTO {
                 }
             )
         );
-        usort(
-            $this->Calendars,
-            function ($cal1, $cal2) {
-                return strcmp($cal1->Name, $cal2->Name);
-            }
-        );
+        usort($this->Calendars, ['CalendarDTO', '__compare']);
     }
 
 }