https://github.com/riaf/selfish/tree/develop/src/Selfish/Service/Redmine

gistfile1.aw

<?php
require_once '/path/to/selfish/src/Selfish/Loader.php';
Selfish\Loader::register();

use Selfish\Service\Redmine\Connection;
use Selfish\Service\Redmine\Issues;

$redmine_connection = new Connection('http://redmine.example.com/');
$redmine_connection->setApiKey('redmine-api-access-token');
// $redmine_connection->setBasicAuth('member', 'password');

$issues = new Issues($redmine_connection);

// $response = $issues->listing(array('assigned_to_id' => 'me'));
$response = $issues->show(123);

var_dump($response);