<?php

/*

 * This file is part of the Symfony package.

 *

 * (c) Fabien Potencier <fabien@symfony.com>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Symfony\Component\HttpFoundation;

/**

 * ServerBag is a container for HTTP headers from the $_SERVER variable.

 *

 * @author Fabien Potencier <fabien@symfony.com>

 * @author Bulat Shakirzyanov <mallluhuct@gmail.com>

 */

class ServerBag extends ParameterBag

{

    public function getHeaders()

    {

        $headers = array();

        foreach ($this->parameters as $key => $value) {

            if ('HTTP_' === substr($key, 0, 5)) {

                $headers[substr($key, 5)] = $value;

            }

            // CONTENT_* are not prefixed with HTTP_

            elseif (in_array($key, array('CONTENT_LENGTH', 'CONTENT_MD5', 'CONTENT_TYPE'))) {

                $headers[$key] = $this->parameters[$key];

            }

        }

        // PHP_AUTH_USER/PHP_AUTH_PW

        if (isset($this->parameters['PHP_AUTH_USER'])) {

            $pass = isset($this->parameters['PHP_AUTH_PW']) ? $this->parameters['PHP_AUTH_PW'] : '';

            $headers['AUTHORIZATION'] = 'Basic '.base64_encode($this->parameters['PHP_AUTH_USER'].':'.$pass);

        }

        return $headers;

    }

}