sendSms.php

<?php
require '../src/Osms.php';

use \Osms\Osms;

//$config = array(
  //  'token' => 'your_access_token'
//);
$config = array(
    'clientId' => 'clientID',
    'clientSecret' => 'clientSecret'
);

$osms = new Osms($config);

$osms->setVerifyPeerSSL(false);

// retrieve an access token
$response = $osms->getTokenFromConsumerKey();

    echo $response['access_token'];
    
if (!empty($response['access_token'])) {
    $senderAddress = 'tel:+22500000000';
    $receiverAddress = 'tel:+22548348221';
    $message = 'Hello World!';
    $senderName = 'Optimus Prime';
    $osms->sendSMS($senderAddress, $receiverAddress, $message, $senderName);
        echo 'Done!';

} else {
    echo $response['error'];
    // error
}