/* add extra charges */ $paytabs->set_other_charges(3); /* add discount */ $paytabs->set_discount(1); /* -customer address -customer state, required for USA and Canada -customer city -customer postal code -customer country */ $paytabs->set_address("Flat 3021 Manama Bahrain", "Manama", "Manama", "12345", "BHR"); /* note: only set shipping address if it is different than billing address. -customer address -customer state, required for USA and Canada -customer city -customer postal code -customer country */ $paytabs->set_shipping_address("Flat 01 Manama Bahrain", "Manama", "ABC", "4321", "BHR"); /* return value: -result -response_code -payment_url