<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 * @package   Zend_XmlRpc
 */

namespace Zend\XmlRpc\Response;

use Zend\XmlRpc\Response as XmlRpcResponse;

/**
 * HTTP response
 *
 * @category   Zend
 * @package    Zend_XmlRpc
 */
class Http extends XmlRpcResponse
{
    /**
     * Override __toString() to send HTTP Content-Type header
     *
     * @return string
     */
    public function __toString()
    {
        if (!headers_sent()) {
            header('Content-Type: text/xml; charset=' . strtolower($this->getEncoding()));
        }

        return parent::__toString();
    }
}
