composer/bin/composer

#!/usr/bin/env php
<?php

if (!@include __DIR__.'/../vendor/.composer/autoload.php') {
    die('You must set up the project dependencies, run the following commands:
wget http://getcomposer.org/composer.phar
php composer.phar install
');
}

use Composer\Console\Application;

// run the command application
$application = new Application();
$application->run();