icy2003\php\ihelpers\Header

Complexity

Total Complexity

18

Size/Duplication

Total Lines	168
Duplicated Lines	0 %

Test Coverage

Coverage

0%

Importance

Changes	4
Bugs	0	Features	0

12 Methods

Rating	Name	Duplication	Size	Complexity
A	xml()	0	3	1
A	json()	0	3	1
A	redirect()	0	10	3
A	notModified()	0	3	1
A	allowOrigin()	0	15	4
A	send()	0	6	2
A	ok()	0	3	1
A	noCache()	0	4	1
A	xPoweredBy()	0	3	1
A	utf8()	0	3	1
A	notFound()	0	3	1
A	redirectPermanently()	0	4	1

<?php
/**
 * Class Header
 *
 * @link https://www.icy2003.com/
 * @author icy2003 <2317216477@qq.com>
 * @copyright Copyright (c) 2017, icy2003
 */

namespace icy2003\php\ihelpers;

use icy2003\php\I;

/**
 * 对 header 函数的一些封装
 */
class Header
{

    /**
     * 发送原生 HTTP 头
     *
     * - 兼容 Workerman 的 header 头
     *
     * @param string $string 头字符串
     * @param boolean $replace 是否用后面的头替换前面相同类型的头，默认是
     * @param integer $httpResponseCode 强制指定HTTP响应的值，默认不强制
     *
     * @return void
     */
    public static function send($string, $replace = true, $httpResponseCode = null)
    {
        if (method_exists('\Workerman\Protocols\Http', 'header')) {
            call_user_func_array('\Workerman\Protocols\Http::header', [$string, $replace, $httpResponseCode]);
        } else {
            header($string, $replace, $httpResponseCode);
        }
    }
    /**
     * 正常访问
     *
     * HTTP 返回 200
     *
     * @return void
     */
    public static function ok()
    {
        self::send('HTTP/1.1 200 OK');
    }

    /**
     * 页面不存在
     *
     * HTTP 返回 404
     *
     * @return void
     */
    public static function notFound()
    {
        self::send('HTTP/1.1 404 Not Found');
    }

    /**
     * 跳转到一个新的地址
     *
     * HTTP 返回 302
     *
     * @param string|null $url 新地址，如果不给这个值，表示刷新当前页面
     * @param integer $time 延迟时间，单位秒
     *
     * @return void
     */
    public static function redirect($url = null, $time = 0)
    {
        null === $url && $url = '';
        if ($time < 0) {
            throw new \Exception('time 参数不能小于 0 ');
        } else {
            self::send('HTTP/1.1 302 Found');
            self::send('Refresh: ' . $time . '; ' . $url);
        }
        die;

Using exit here is not recommended.

    }

    /**
     * 永久跳转
     *
     * HTTP 返回 301
     *
     * @param string $url 永久跳转的地址
     *
     * @return void
     */
    public static function redirectPermanently($url)
    {
        self::send('HTTP/1.1 301 Moved Permanently');
        self::send('Location: ' . $url);
    }

    /**
     * 设置网页编码为 UTF-8
     *
     * @return void
     */
    public static function utf8()
    {
        self::send('Content-Type: text/html; charset=utf-8');
    }

    /**
     * 内容类型为 JSON
     *
     * @return void
     */
    public static function json()
    {
        self::send('Content-Type: application/json');
    }

    /**
     * 内容类型为 XML
     *
     * @return void
     */
    public static function xml()
    {
        self::send('Content-Type: text/xml');
    }

    /**
     * 设置可跨域的域名
     *
     * @param array|string $urls 跨域域名列表，格式例如：http://127.0.0.1:8080
     *
     * @return void
     */
    public static function allowOrigin($urls = '*')
    {
        if ('*' === $urls) {
            self::send('Access-Control-Allow-Origin:*');
        } else {
            $origin = I::get($_SERVER, 'HTTP_ORIGIN');
            $urls = Strings::toArray($urls);
            if (is_array($urls) && in_array($origin, $urls)) {
                self::send('Access-Control-Allow-Origin:' . $origin);
            }
        }
        self::send('Access-Control-Max-Age:86400');
        self::send('Access-Control-Allow-Credentials:true');
        self::send('Access-Control-Allow-Methods:*');
        self::send('Access-Control-Allow-Headers:Origin, No-Cache, X-Requested-With, If-Modified-Since, Pragma, Last-Modified, Cache-Control, Expires, Content-Type, X-E4M-With');
    }

    /**
     * 修改 X-Powered-By信息
     *
     * @param string $string
     *
     * @return void
     */
    public static function xPoweredBy($string = 'icy2003')
    {
        self::send('X-Powered-By: ' . $string);
    }

    /**
     * 告诉浏览器文档内容没有发生改变
     *
     * @return void
     */
    public static function notModified()
    {
        self::send('HTTP/1.1 304 Not Modified');
    }

    /**
     * 禁用缓存
     *
     * @return void
     */
    public static function noCache()
    {
        self::send('Cache-Control: no-cache, no-store, max-age=0, must-revalidate');
        self::send('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
    }
}