lipa na mpesa daraja php
<?php
$url = 'https://sandbox.safaricom.co.ke/oauth/v1/generate?grant_type=client_credentials';
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
$credentials = base64_encode('YOUR_APP_CONSUMER_KEY:YOUR_APP_CONSUMER_SECRET');
curl_setopt($curl, CURLOPT_HTTPHEADER, array('Authorization: Basic '.$credentials)); //setting a custom header
curl_setopt($curl, CURLOPT_HEADER, true);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
$curl_response = curl_exec($curl);
echo json_decode($curl_response);
?>