【PHP】获取当前访问的完整url地址

封装方法

    // php获取当前访问的完整url地址
    function sys_GetCurUrl() {
        $url = 'http://';
        if (isset ( $_SERVER ['HTTPS'] ) && $_SERVER ['HTTPS'] == 'on') {
            $url = 'https://';
        }
        if ($_SERVER ['SERVER_PORT'] != '80') {
            $url .= $_SERVER ['HTTP_HOST'] . ':' . $_SERVER ['SERVER_PORT'] . $_SERVER ['REQUEST_URI'];
        } else {
            $url .= $_SERVER ['HTTP_HOST'] . $_SERVER ['REQUEST_URI'];
        }
        return $url;
    }