public static function getSiteTrackingProjectList()
 {
     try {
         $project = Project::getSiteTrackingProjectList();
         if ($project !== null) {
             echo AppUtil::getReturnStatus("Successful", $project);
         } else {
             echo AppUtil::getReturnStatus("Unsuccessful", "Database Error Occurred");
         }
     } catch (Exception $e) {
         echo AppUtil::getReturnStatus("Unsuccessful", "Unknown database error occurred");
     }
 }