20181004151020
$Timestamp = date(‘YmdHis’);

# Get the base64 encoded string -> $password. The passkey is the M-PESA Public Key
$Password = base64_encode($BusinessShortCode.$Passkey.$Timestamp);

# header for access token
$headers = [‘Content-Type:application/json; charset=utf8’];

# M-PESA endpoint urls
$access_token_url = ‘https://sandbox.safaricom.co.ke/oauth/v1/generate?grant_type=client_credentials’;
$initiate_url = ‘https://sandbox.safaricom.co.ke/mpesa/stkpush/v1/processrequest’;

# callback url
$CallBackURL = ‘https://morning-basin-87523.herokuapp.com/callback_url.php’;

$curl = curl_init($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);

# header for stk push
$stkheader = [‘Content-Type:application/json’,’Authorization:Bearer ‘.$access_token];

# initiating the transaction
$curl = curl_init();
curl_setopt($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;
};
?>