added checkId

src/Utils/Business/LuBusiness.php

@@ -54,6 +54,14 @@ abstract class LuBusiness {
         return static::getDataAccess()->transact($function);
     }
 
+    /**
+     * @param $id int
+     */
+    public static function checkIdExists($id)
+    {
+        static::getSingleById($id);
+    }
+
     /**
      * @param $id int
      * @return LuDbo