[thrift]用于php服务端的header系列函数

<?php
/**
 * 用于rpc服务端的header系列函数
 * @author flynetcn
 */
class Utils_Header
{
    private static $headers = array();
    private static $cookies = array();
    private static $sessionOpened = false;

    public static function header($string, $replace=true, $http_response_code=null)
    {
        if (PHP_SAPI == 'cli') {
            if ($http_response_code) {
                self::$headers[] = array($string, $replace, $http_response_code);
            } else {
                self::$headers[] = array($string, $replace);
            }
        }
        if ($http_response_code) {
            header($string, $replace, $http_response_code);
        } else {
            header($string, $replace);
        }
    }

    public static function session_start()
    {
        if (PHP_SAPI == 'cli' && !self::$sessionOpened) {
            //模拟session机制
            if (!$_COOKIE[session_name()]) {
                $ip_prefix = isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? ip2long($_SERVER['HTTP_X_FORWARDED_FOR']) : rand(1, 10000);
                $pid_prefix = posix_getpid();
                $sessid = uniqid(strval(dechex($ip_prefix)).strval(dechex($pid_prefix)));
                $_COOKIE[session_name()] = $sessid;
                session_start();
                self::$cookies[] = array(session_name(), $sessid, 0, '/', DOMAIN_COOKIE);
            } else {
                session_start();
            }
            self::$sessionOpened = true;
            return true;
        } else {
            return session_start();
        }
    }

    public static function session_write_close()
    {
        if (self::$sessionOpened) {
            self::$sessionOpened = false;
        }
        $_SESSION = array();
        session_write_close();
    }

    public static function setcookie($name, $value='', $expire=0, $path='', $domain='', $secure=false, $httponly=false)
    {
        if (PHP_SAPI == 'cli') {
            self::$cookies[] = func_get_args();
        }
        return call_user_func_array('setcookie', func_get_args());
    }

    public static function getSendCookies()
    {
        return self::$cookies;
    }

    public static function getSendHeaders()
    {
        return self::$headers;
    }

    public static function cleanSendCookies()
    {
        self::$cookies = array();
    }

    public static function cleanSendHeaders()
    {
        self::$headers = array();
    }
}