STK Push / Lipa na M-PESA Online

Tutorial 9/stk_initiate.php

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+<?php
+
+  // access token
+  $consumerKey = ''; //Fill with your app Consumer Key
+  $consumerSecret = ''; // Fill with your app Secret
+
+  $headers = ['Content-Type:application/json; charset=utf8'];
+
+  $access_token_url = 'https://sandbox.safaricom.co.ke/oauth/v1/generate?grant_type=client_credentials';
+  $curl = curl_init($access_token_url);
+  curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
+  curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
+  curl_setopt($curl, CURLOPT_HEADER, FALSE);
+  curl_setopt($curl, CURLOPT_USERPWD, $consumerKey.':'.$consumerSecret);
+  $result = curl_exec($curl);
+  $status = curl_getinfo($curl, CURLINFO_HTTP_CODE);
+  $result = json_decode($result);
+  $access_token = $result->access_token;  
+  curl_close($curl);
+
+  # initiating the transaction
+
+  # define the variales
+  $initiate_url = 'https://sandbox.safaricom.co.ke/mpesa/stkpush/v1/processrequest';
+
+  # provide the following details, this part is found on your test credentials on the developer account
+  $BusinessShortCode = '';
+  $Passkey = '';
+
+
+  /*
+    This are your info, for
+    $PartyA should be the ACTUAL clients phone number or your phone number, format 2547********
+    $AccountRefference, it maybe invoice number, account number etc on production systems, but for test just put anything
+    TransactionDesc can be anything, probably a better description of or the transaction
+    $Amount this is the total invoiced amount, Any amount here will be 
+    actually deducted from a clients side/your test phone number once the PIN has been entered to authorize the transaction. 
+    for developer/test accounts, this money will be reversed automatically by midnight.
+  */
+
+  $PartyA = ''; // This is your phone number, 
+  $AccountReference = '';
+  $TransactionDesc = '';
+  $Amount = '';
+
+
+  $Timestamp = date('YmdGis');  
+  $CallBackURL = 'http://kidonda.us/projects/MPESA_API/callback_url.php';  
+
+  # Get the base64 encoded string -> $password. The passkey is the M-PESA Public Key
+  $Password = base64_encode($BusinessShortCode.$Passkey.$Timestamp);
+
+  $stkheader = ['Content-Type:application/json','Authorization:Bearer '.$access_token];
+
+  $curl = curl_init();
+  curl_setopt($curl, CURLOPT_URL, $initiate_url);
+  curl_setopt($curl, CURLOPT_HTTPHEADER, $stkheader); //setting custom header
+
+  $curl_post_data = array(
+    //Fill in the request parameters with valid values
+    'BusinessShortCode' => $BusinessShortCode,
+    'Password' => $Password,
+    'Timestamp' => $Timestamp,
+    'TransactionType' => 'CustomerPayBillOnline',
+    'Amount' => $Amount,
+    'PartyA' => $PartyA,
+    'PartyB' => $BusinessShortCode,
+    'PhoneNumber' => $PartyA,
+    'CallBackURL' => $CallBackURL,
+    'AccountReference' => $AccountReference,
+    'TransactionDesc' => $TransactionDesc
+  );
+
+  $data_string = json_encode($curl_post_data);
+
+  curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
+  curl_setopt($curl, CURLOPT_POST, true);
+  curl_setopt($curl, CURLOPT_POSTFIELDS, $data_string);
+
+  $curl_response = curl_exec($curl);
+  print_r($curl_response);
+
+  echo $curl_response;
+?>