1. Go to this page and download the library: Download benmorel/clickatell library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
benmorel / clickatell example snippets
$client = new Clickatell\ClickatellClient('api-id', 'username', 'password');
$client->authenticate();
$client->send('441234567890', 'Hello world');
$client = new Clickatell\ClickatellClient('api-id', 'username', 'password', 'sender-id');