Sends a text message (SMS message) directly to a phone number using Amazon SNS.

sendAWSSMS.php

<?php

use Aws\Sns\SnsClient; 
use Aws\Exception\AwsException;

/**
 * Sends a text message (SMS message) directly to a phone number using Amazon SNS.
 *
 * This code expects that you have AWS credentials set up per:
 * https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/guide_credentials.html
 */
 
$SnSclient = new SnsClient([
    'region' => 'us-east-1',
    'version' => '2010-03-31'
]);

$message = 'This message is sent from an Amazon SNS code sample.';
$phone = '+1XXX5550100';

try {
    $result = $SnSclient->publish([
        'Message' => $message,
        'PhoneNumber' => $phone,
    ]);
    var_dump($result);
} catch (AwsException $e) {
    // output error message if fails
    error_log($e->getMessage());
}