<?php
#sessionId from the Post request
$sessionId=$_POST['sessionId'];
#serviceCode from the Post request
$serviceCode=$_POST['serviceCode'];
# phoneNumber from the Post request
$phoneNumber=$_POST['phoneNumber'];
# text from the Post request
$text=$_POST['text'];

if ($text == ""){
 # check is the first connection is empty and provice response stating with CON to indicate connection.
 $response="CON What would you want to check \n";
 $response .="1. My Account No \n";
 $response .="2. My phone Number";
}
# if you choose option 1
else if ($text == "1") {
 # business login for the first level response
 $response = "CON Choose account information you want to view \n";
 $response .= "1. Account Number \n";
 $response .= "2. Account Balance";
}
# if you choose option 2
else if ($text == "2") {
 # business login for the first level response with END t end the connection
 $response = "END You phone number is ".$phoneNumber;
# if you choose option 1 the second level supplied option 1
} else if($text == "1*1"){
# business login for the second i.e.*ussd*1*1# level response then END to end the Session
 $accountNumber = "ACC1001";

 $response = "END Your account Number is ".$accountNumber;
}
# if you choose option 1 the second level supplied option 2
else if ($text == "1*2") {
# business login for the second i.e.*ussd*1*1# level response then END to end the Session
 $balance = "KES 10,000";
 # code...
 $response= "END Your balance is ".$balance;
}
# include the Header
header('Content-type: text/plain');
# display the response
echo $response;

?>