Flysystem ~1.0 + SFTP adapter

composer.json

{
    "require": {
        "league/flysystem": "~1.0",
        "league/flysystem-sftp": "~1.0"
    }
}

sftp.php

<?php

require __DIR__ . '/vendor/autoload.php';

use League\Flysystem\Filesystem;
use League\Flysystem\Sftp\SftpAdapter;

$filesystem = new Filesystem(new SftpAdapter(array(
    'host'       => '11.22.33.44',
    'port'       => 1234,
    'username'   => 'username',
    // 'password'   => 'password-if-needed',
    'privateKey' => '/Users/antoine/.ssh/id_rsa',
    'root'       => '/home',
    'timeout'    => 5,
)));

$isOk = $filesystemTest->write('foo.txt', 'foo, bar, baz !');
var_dump($isOk); // bool(true)