学习php之http协议相关知识

Question

各位大神们，有没有什么好的php与http协议结合的实例，想学习下http在php中实际运用的例子。

Answer 1

最常见的应用, 就是写一个Request类, 和写一个Response类. 再自己撸一个http client.

可以照着

https://github.com/symfony/sy...
https://github.com/symfony/sy...
https://github.com/guzzle/guzzle

造轮子

Answer 2

public static function decode($recv_buffer, TcpConnection $connection)
    {
        // Init.
        $_POST                         = $_GET = $_COOKIE = $_REQUEST = $_SESSION = $_FILES = array();
        $GLOBALS['HTTP_RAW_POST_DATA'] = '';
        // Clear cache.
        HttpCache::$header   = array('Connection' => 'Connection: keep-alive');
        HttpCache::$instance = new HttpCache();
        // $_SERVER
        $_SERVER = array(
            'QUERY_STRING'         => '',
            'REQUEST_METHOD'       => '',
            'REQUEST_URI'          => '',
            'SERVER_PROTOCOL'      => '',
            'SERVER_SOFTWARE'      => 'workerman/3.0',
            'SERVER_NAME'          => '',
            'HTTP_HOST'            => '',
            'HTTP_USER_AGENT'      => '',
            'HTTP_ACCEPT'          => '',
            'HTTP_ACCEPT_LANGUAGE' => '',
            'HTTP_ACCEPT_ENCODING' => '',
            'HTTP_COOKIE'          => '',
            'HTTP_CONNECTION'      => '',
            'REMOTE_ADDR'          => '',
            'REMOTE_PORT'          => '0',
        );

        // Parse headers.
        list($http_header, $http_body) = explode("\r\n\r\n", $recv_buffer, 2);
        $header_data = explode("\r\n", $http_header);

        list($_SERVER['REQUEST_METHOD'], $_SERVER['REQUEST_URI'], $_SERVER['SERVER_PROTOCOL']) = explode(' ',
            $header_data[0]);

        $http_post_boundary = '';
        unset($header_data[0]);
        foreach ($header_data as $content) {
            // \r\n\r\n
            if (empty($content)) {
                continue;
            }
            list($key, $value) = explode(':', $content, 2);
            $key   = strtolower($key);
            $value = trim($value);
            switch ($key) {
                // HTTP_HOST
                case 'host':
                    $_SERVER['HTTP_HOST']   = $value;
                    $tmp                    = explode(':', $value);
                    $_SERVER['SERVER_NAME'] = $tmp[0];
                    if (isset($tmp[1])) {
                        $_SERVER['SERVER_PORT'] = $tmp[1];
                    }
                    break;
                // cookie
                case 'cookie':
                    $_SERVER['HTTP_COOKIE'] = $value;
                    parse_str(str_replace('; ', '&', $_SERVER['HTTP_COOKIE']), $_COOKIE);
                    break;
                // user-agent
                case 'user-agent':
                    $_SERVER['HTTP_USER_AGENT'] = $value;
                    break;
                // accept
                case 'accept':
                    $_SERVER['HTTP_ACCEPT'] = $value;
                    break;
                // accept-language
                case 'accept-language':
                    $_SERVER['HTTP_ACCEPT_LANGUAGE'] = $value;
                    break;
                // accept-encoding
                case 'accept-encoding':
                    $_SERVER['HTTP_ACCEPT_ENCODING'] = $value;
                    break;
                // connection
                case 'connection':
                    $_SERVER['HTTP_CONNECTION'] = $value;
                    break;
                case 'referer':
                    $_SERVER['HTTP_REFERER'] = $value;
                    break;
                case 'if-modified-since':
                    $_SERVER['HTTP_IF_MODIFIED_SINCE'] = $value;
                    break;
                case 'if-none-match':
                    $_SERVER['HTTP_IF_NONE_MATCH'] = $value;
                    break;
                case 'content-type':
                    if (!preg_match('/boundary="?(\S+)"?/', $value, $match)) {
                        $_SERVER['CONTENT_TYPE'] = $value;
                    } else {
                        $_SERVER['CONTENT_TYPE'] = 'multipart/form-data';
                        $http_post_boundary      = '--' . $match[1];
                    }
                    break;
                case 'x-requested-with':
                    $_SERVER["HTTP_X_REQUESTED_WITH"] = $value;
                    break;
            }
        }

        // Parse $_POST.
        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            if (isset($_SERVER['CONTENT_TYPE']) && $_SERVER['CONTENT_TYPE'] === 'multipart/form-data') {
                self::parseUploadFiles($http_body, $http_post_boundary);
            } else {
                parse_str($http_body, $_POST);
                // $GLOBALS['HTTP_RAW_POST_DATA']
                $GLOBALS['HTTP_RAW_POST_DATA'] = $http_body;
            }
        }

        // QUERY_STRING
        $_SERVER['QUERY_STRING'] = parse_url($_SERVER['REQUEST_URI'], PHP_URL_QUERY);
        if ($_SERVER['QUERY_STRING']) {
            // $GET
            parse_str($_SERVER['QUERY_STRING'], $_GET);
        } else {
            $_SERVER['QUERY_STRING'] = '';
        }

        // REQUEST
        $_REQUEST = array_merge($_GET, $_POST);

        // REMOTE_ADDR REMOTE_PORT
        $_SERVER['REMOTE_ADDR'] = $connection->getRemoteIp();
        $_SERVER['REMOTE_PORT'] = $connection->getRemotePort();

        return array('get' => $_GET, 'post' => $_POST, 'cookie' => $_COOKIE, 'server' => $_SERVER, 'files' => $_FILES);
    }

Answer 3

你这个问题太宽泛了

Answer 4

你好 你php做了多久了？

Answer 5

我认为http是独立与语言的存在， 你想在学习http在php的实际运行例子， 还是先看看http本身吧

推荐的书

HTTP权威指南

计算机网络自顶向下方法

Answer 6

多多抓包分析下每个http头的意义

Answer 7

HTTP权威指南