smsgateway/src/SmsGateway/SenderInterface.php

<?php
namespace SmsGateway;

interface SenderInterface
{
    public function setLogger(LoggerInterface $logger);

    public function getLogger();

    /**
     *
     * @param  string $recipient
     * @param  string $message
     * @return boolean           true upon success. On error, throws exceptions.
     * @throws Exception         Upon sending error. Gnokii output will be
     *                           stored in $e->message
     */
    public function send($username, $recipient, $message, array $passwordLocations);
}