For a full playlist of USSD Programming Video: Visit this Link (USSD Programming Playlist). The USSD code below is for the YouTube Video below this code.
USSD Programming PHP Code #
<?php
// Read the variables sent via POST from our API
$sessionId = $_POST["sessionId"];
$serviceCode = $_POST["serviceCode"];
$phoneNumber = $_POST["phoneNumber"];
$text = $_POST["text"];
if ($text == "") {
// This is the first request. Note how we start the response with CON
$response = "CON What would you want to check \n";
$response .= "1. My Account \n";
$response .= "2. My phone number";
} else if ($text == "1") {
// Business logic for first level response
$response = "CON Choose account information you want to view \n";
$response .= "1. Account number \n";
} else if ($text == "2") {
// Business logic for first level response
// This is a terminal request. Note how we start the response with END
$response = "END Your phone number is ".$phoneNumber;
} else if($text == "1*1") {
// This is a second level response where the user selected 1 in the first instance
$accountNumber = "ACC1001";
// This is a terminal request. Note how we start the response with END
$response = "END Your account number is ".$accountNumber;
}
// Echo the response back to the API
header('Content-type: text/plain');
echo $response;
