getAll($sql); for ($i = 0; $i < sizeof($result); $i++) { $facilityno = $result[$i]["facilityno"]; $installsql = " SELECT * FROM wipinstallation WHERE facilityno = '$facilityno' ORDER BY id DESC "; $installinffo = $conn->getAll($installsql); $result[$i]['installschedule'] = $installinffo; } echo json_encode($result); } } catch (Exception $e) { die($e->getMessage()); }