stk.php

Step 1

Install using composer this package

composer require kopokopo/k2-connect-php


Step 2

Get production credentials from your KopoKopo account. Feed the requisite parameters and you are ready to go.

<?php

/**
K2 SDK
*/

use Kopokopo\SDK\K2;

/**
Autoload
*/

require 'vendor/autoload.php';

/**
Display Errors
*/

ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

/**
Options
*/

$options = [
    'clientId' => '', 
    'clientSecret' => '',
    'apiKey' => '',
    'baseUrl' => 'https://api.kopokopo.com'
];

$K2 = new K2($options);

/**
Create Token
*/

$tokens = $K2->TokenService();

/**
Use Token
*/

$result = $tokens->getToken();

if ($result['status'] == 'success') {
    $data = $result['data'];
    echo "My access token is: " . $data['accessToken'] . " It expires in: " . $data['expiresIn'] . "<br>";
}

/**
STK Push
**Rate Limit Not Known
*/

$stk = $K2->StkService();
$response = $stk->initiateIncomingPayment([
            'paymentChannel' => 'M-PESA STK Push',
            'tillNumber' => '',
            'firstName' => '',
            'lastName' => '',
            'phoneNumber' => '',
            'amount' => 15,
            'currency' => 'KES',
            'email' => '',
            'callbackUrl' => '',
            'accessToken' => $data['accessToken'],
]);

/**
Response Log
*/

echo "<pre>";
print_r($response);
echo "</pre>";

/**
Log STK Push Outcome
*/

if ($response['status'] == 'success') {
            $data = $result['data'];
            return response('Request sent to your phone', 200);
} else {
            return response($response['status'], 400);
}
?>