num_rows > 0) { if ($check) { $arr = "false"; } } else { $Update = "UPDATE `appointment_details` SET time='$time',date='$date' WHERE id='$id'"; error_log("Update_Doc_Status: " . $Update); $update_exe = mysqli_query($conn, $Update); if ($update_exe) { $Update_Doc_Status = "UPDATE `doc_slots` SET `status` = 'BOOKED' WHERE doc_slot_id = '$time' AND ohc_type_id = '$ohc_type_id'"; error_log("Update_Doc_Status: " . $Update_Doc_Status); $update_exe = mysqli_query($conn, $Update_Doc_Status); $arr = "true"; } else { $arr = "false"; } echo json_encode($arr); } ?>