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"); } }