This is Textlocal composer package.
composer require codefoxes/textlocal
require_once 'vendor/autoload.php';
use CodeFoxes\Textlocal\Textlocal;
$smsAagent = new Textlocal( 'you@site.com', `01234yourhash56789` );
$smsAagent->sendSms( array('919876543210'), 'My message.', 'APROVD');