Use Following steps and Get Delivery Report on your Website:
1) First Login in Bulk SMS portal .
2) Use the required PHP code & create the Delivery report URL .
3) Inside login left side in Menu click on Delivery report option.
4) After that click on Webhooks option and add there Your Delivery report URL & save it.
5) After sending SMS within 30 minutes you can get delivery Report on your created URL page you can check there.