ChatGPT解决这个技术问题 Extra ChatGPT

获取 PHP 中的完整 URL

这个问题的答案是社区的努力。编辑现有答案以改进这篇文章。它目前不接受新的答案或交互。

我使用此代码获取完整的 URL:

$actual_link = 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'];

问题是我在 .htaccess 中使用了一些掩码,所以我们在 URL 中看到的并不总是文件的真实路径。

我需要的是获取 URL,写在 URL 中的内容,不多也不少——完整的 URL。

我需要了解它在 Web 浏览器导航栏中的显示方式,而不是服务器上文件的真实路径。

@Brade URL 栏在用户浏览器上,那么为什么 PHP 会有任何功能呢? PHP是服务器端。
@eis 相信我,有很多理由想要这个。使用相同模板但需要单独跟踪的登陆页面等。事实是 PHP(或任何服务器端语言)可以返回 URL 的所有各个部分,但似乎永远不会在一个字符串中提供全部内容.只是看起来很愚蠢。
整个事情永远不会发送到服务器端,因为它不应该重要,这就是它在任何地方都不容易获得的原因。我会认为任何依赖于那个损坏的功能。但那只是我的个人意见。
我上面需要自我 URL 的示例:“填充 FORM 操作 URL”可能是错误的,因为 PHP_SELF(仅路径,无域等)应该足够了。但这并不一定意味着规范自我 URL 的所有其他需求都是无效的。如果确实如此,那么看到详尽的解释会很棒,为什么。
你不应该在配置中硬编码你的 URL 的原因之一是当你有不同的平台来安装你的项目时(开发、集成、生产)。它们中的每一个都有其特定的 URL,并且您不想根据安装项目的服务器来更改代码。

a
ax.

看看$_SERVER['REQUEST_URI'],即

$actual_link = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";

(请注意,双引号字符串语法为 perfectly correct

如果你想同时支持 HTTP 和 HTTPS,你可以使用

$actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";

编者注:使用此代码具有安全隐患。客户端可以将 HTTP_HOST 和 REQUEST_URI 设置为它想要的任意值。


如果您在 https 链接上怎么办?如果 HTTP_HOST 不可用或被客户端篡改怎么办?这个答案似乎不完整且不可靠。
您对此无能为力,这是针对所提问题的正确方法。
您只需添加 HTTPS 的检查:'http' . (isset($_SERVER['HTTPS']) ? 's' : '') . '://' . "{$_SERVER['HTTP_HOST']}/{$_SERVER['REQUEST_URI']}"
如果您将 URL 作为链接输出到浏览器,只需关闭 http:。请参阅:stackoverflow.com/questions/4978235
双方的这些评论不再对原始帖子做出贡献,也不会增加价值。添加评论的工具提示指出“使用评论来询问更多信息或提出改进建议”。请坚持下去。
T
Timo Huovinen

在网页上输出链接的简短版本

$url =  "//{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}";

$escaped_url = htmlspecialchars( $url, ENT_QUOTES, 'UTF-8' );
echo '<a href="' . $escaped_url . '">' . $escaped_url . '</a>';

以下是有关 the //example.com/path/ format 的问题和极端情况的更多详细信息

完整版本

function url_origin( $s, $use_forwarded_host = false )
{
    $ssl      = ( ! empty( $s['HTTPS'] ) && $s['HTTPS'] == 'on' );
    $sp       = strtolower( $s['SERVER_PROTOCOL'] );
    $protocol = substr( $sp, 0, strpos( $sp, '/' ) ) . ( ( $ssl ) ? 's' : '' );
    $port     = $s['SERVER_PORT'];
    $port     = ( ( ! $ssl && $port=='80' ) || ( $ssl && $port=='443' ) ) ? '' : ':'.$port;
    $host     = ( $use_forwarded_host && isset( $s['HTTP_X_FORWARDED_HOST'] ) ) ? $s['HTTP_X_FORWARDED_HOST'] : ( isset( $s['HTTP_HOST'] ) ? $s['HTTP_HOST'] : null );
    $host     = isset( $host ) ? $host : $s['SERVER_NAME'] . $port;
    return $protocol . '://' . $host;
}

function full_url( $s, $use_forwarded_host = false )
{
    return url_origin( $s, $use_forwarded_host ) . $s['REQUEST_URI'];
}

$absolute_url = full_url( $_SERVER );
echo $absolute_url;

这是 http://snipplr.com/view.php?codeview&id=2734 的大量修改版本(不再存在)

网址结构:

scheme://username:password@domain:port/path?query_string#fragment_id

粗体部分不包含在函数中

笔记:

此函数不包括来自完整 URL 或片段(散列)的用户名:密码。

它不会显示 HTTP 的默认端口 80 和 HTTPS 的端口 443。

仅使用 http 和 https 方案进行了测试。

#fragment_id 不会由客户端(浏览器)发送到服务器,也不会添加到完整的 URL 中。

$_GET 将只包含 foo=bar2 的 URL,例如 /example?foo=bar1&foo=bar2。

某些 CMS 和环境将重写 $_SERVER['REQUEST_URI'] 并为 /example?foo=bar1&foo=bar2 之类的 URL 返回 /example?foo=bar2,在这种情况下使用 $_SERVER['QUERY_STRING']。

请记住,URI = URL + URN,但由于普遍使用,现在 URL 表示 URI 和 URL。

如果您不打算使用代理或平衡器,则应删除 HTTP_X_FORWARDED_HOST。

规范说主机头必须包含端口号,除非它是默认号。

客户端(浏览器)控制变量:

$_SERVER['REQUEST_URI']。任何不受支持的字符在发送之前都会由浏览器进行编码。

$_SERVER['HTTP_HOST'] 并且根据 PHP 手册中的注释并不总是可用:http://php.net/manual/en/reserved.variables.php

$_SERVER['HTTP_X_FORWARDED_HOST'] 由平衡器设置,PHP 手册中的 $_SERVER 变量列表中未提及。

服务器控制变量:

$_SERVER['HTTPS']。客户端选择使用它,但服务器返回空或“on”的实际值。

$_SERVER['SERVER_PORT']。服务器只接受允许的数字作为端口。

$_SERVER['SERVER_PROTOCOL']。服务器只接受某些协议。

$_SERVER['SERVER_NAME'] 。根据 kralyk,它是在服务器配置中手动设置的,不适用于 IPv6。

有关的:

What is the difference between HTTP_HOST and SERVER_NAME in PHP?
Is Port Number Required in HTTP "Host" Header Parameter?
https://stackoverflow.com/a/28049503/175071


如果服务器由 IPv6 IP 地址提供,则此代码将失败。要解决此问题,请将 SERVER_NAME 替换为 HTTP_HOST。
注意:对于像 /example?foo=bar1&foo=bar2 这样的网址,$_SERVER['REQUEST_URI'] 将显示 /example?foo=bar2
这将不包含在 # 之后定义的任何内容,这些内容不会传递到服务器
我不确定这是否没有安全风险。在您的示例中,您可以发送 Host 标头以到达正确的页面,但可能会让页面认为它是通过使用 HTTP_X_FORWARDED_HOST 标头的另一个主机调用的。当应用程序使用这些信息(不管是什么)时,它确实可能是一个安全问题,因为它允许您承诺一些并非如此的事情。
@Matt3o12 端口的值直接取自 Host 标头,没见过这样设置的,感谢提及,将作为调整添加
T
Tony Merryfield

示例:https://(www.)example.com/subFolder/myfile.php?var=blabla#555

// ======= PATHINFO ====== //
$x = pathinfo($url);
$x['dirname']      🡺 https://example.com/subFolder
$x['basename']     🡺                               myfile.php?var=blabla#555 // Unsecure! 
$x['extension']    🡺                                      php?var=blabla#555 // Unsecure! 
$x['filename']     🡺                               myfile

// ======= PARSE_URL ====== //
$x = parse_url($url);
$x['scheme']       🡺 https
$x['host']         🡺         example.com
$x['path']         🡺                    /subFolder/myfile.php
$x['query']        🡺                                          var=blabla
$x['fragment']     🡺                                                     555

//=================================================== //
//========== self-defined SERVER variables ========== //
//=================================================== //
$_SERVER["DOCUMENT_ROOT"]  🡺 /home/user/public_html
$_SERVER["SERVER_ADDR"]    🡺 143.34.112.23
$_SERVER["SERVER_PORT"]    🡺 80(or 443 etc..)
$_SERVER["REQUEST_SCHEME"] 🡺 https                                         //similar: $_SERVER["SERVER_PROTOCOL"] 
$_SERVER['HTTP_HOST']      🡺         example.com (or with WWW)             //similar: $_SERVER["SERVER_NAME"]
$_SERVER["REQUEST_URI"]    🡺                       /subFolder/myfile.php?var=blabla
$_SERVER["QUERY_STRING"]   🡺                                             var=blabla
__FILE__                   🡺 /home/user/public_html/subFolder/myfile.php
__DIR__                    🡺 /home/user/public_html/subFolder              //same: dirname(__FILE__)
$_SERVER["REQUEST_URI"]    🡺                       /subFolder/myfile.php?var=blabla
parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH)🡺  /subFolder/myfile.php 
$_SERVER["PHP_SELF"]       🡺                       /subFolder/myfile.php

// ==================================================================//
//if "myfile.php" is included in "PARENTFILE.php" , and you visit  "PARENTFILE.PHP?abc":
$_SERVER["SCRIPT_FILENAME"]🡺 /home/user/public_html/parentfile.php
$_SERVER["PHP_SELF"]       🡺                       /parentfile.php
$_SERVER["REQUEST_URI"]    🡺                       /parentfile.php?var=blabla
__FILE__                   🡺 /home/user/public_html/subFolder/myfile.php

// =================================================== //
// ================= handy variables ================= //
// =================================================== //
//If site uses HTTPS:
$HTTP_or_HTTPS = ((!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS']!=='off') || $_SERVER['SERVER_PORT']==443) ? 'https://':'http://' );            //in some cases, you need to add this condition too: if ('https'==$_SERVER['HTTP_X_FORWARDED_PROTO'])  ...

//To trim values to filename, i.e. 
basename($url)             🡺 myfile.php

//excellent solution to find origin
$debug_files = debug_backtrace();       
$caller_file = count($debug_files) ? $debug_files[count($debug_files) - 1]['file'] : __FILE__;

注意 ! ! !

在上面的示例中手动使用了 hashtag # 部分,仅用于说明目的,但是,服务器端语言(包括 php)无法原生检测它们(只有 Javascript 可以做到这一点,因为 hashtag 只是浏览器/客户端功能)。

DIRECTORY_SEPARATOR 为 Windows 类型的主机返回 \,而不是 /。

对于 WordPress

//(let's say, if wordpress is installed in subdirectory:  http://example.com/wpdir/)
home_url()                      🡺 http://example.com/wpdir/        //if is_ssl() is true, then it will be "https"
get_stylesheet_directory_uri()  🡺 http://example.com/wpdir/wp-content/themes/THEME_NAME  [same: get_bloginfo('template_url') ]
get_stylesheet_directory()      🡺 /home/user/public_html/wpdir/wp-content/themes/THEME_NAME
plugin_dir_url(__FILE__)        🡺 http://example.com/wpdir/wp-content/themes/PLUGIN_NAME
plugin_dir_path(__FILE__)       🡺 /home/user/public_html/wpdir/wp-content/plugins/PLUGIN_NAME/  

# 部分在哪里,在服务器端我们无法访问# 之后的部分吗?
@RohitKhatri 该部分只能在浏览器中访问,不会发送到服务器
获取带有查询字符串的 url 的 wordpress 函数是什么?
警告:pathinfo() 不会像您期望的那样处理更复杂的 URL - 尽管参数中没有严格禁止 / 字符(请参阅 stackoverflow.com/questions/1455578/…),但解析此类 URL 不会为您提供脚本基名/文件名.试试print_r(pathinfo("https://example.com/subFolder/myfile.php?var=path/to/another/file.png"));
对我来说,我必须做 basename ($_SERVER["PHP_https://stackoverflow.com/questions/6768793/get-the-full-url-in-phpSELF"] ) 来获取没有查询字符串的主脚本名称(我需要它作为侧边栏链接列表中的主脚本)
B
Blackbam

这是使用 ternary statement 的解决方案,保持代码最少:

$url = "http" . (($_SERVER['SERVER_PORT'] == 443) ? "s" : "") . "://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];

这是执行此操作的最小且最简单的方法,假设您的 Web 服务器为 HTTPS 使用标准端口 443。


或使用 $_SERVER["HTTPS"] == "on" 检查 SSL 是否打开。
您应该使用 $_SERVER["HTTPS"] 因为端口 443 只是默认的 SSL 端口,而不是 SSL 指示符。
@AlexBarker - 这就是为什么我说“假设一个网络服务器使用标准端口 443 进行 HTTPS”。
Y
Yukulélé

我最喜欢的查找当前 URL 的跨平台方法是:

$url = (isset($_SERVER['HTTPS']) ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";

关闭,但我需要将其更改为: $url = ((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
P
Peter Mortensen

只需使用:

$uri = $_SERVER['REQUEST_SCHEME'] . '://' . $_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']

尽管我想使用它,但它在 IIS 中不起作用。 stackoverflow.com/questions/18008135/…
它输出什么?
PHP 注意:未定义索引:REQUEST_SCHEME
我喜欢这个解决方案!但是你也可以让它适用于 nginx 吗?
http://example.com :8080 /request.php 并失败。这些答案很复杂是有原因的。
T
TRiG
function full_path()
{
    $s = &$_SERVER;
    $ssl = (!empty($s['HTTPS']) && $s['HTTPS'] == 'on') ? true:false;
    $sp = strtolower($s['SERVER_PROTOCOL']);
    $protocol = substr($sp, 0, strpos($sp, '/')) . (($ssl) ? 's' : '');
    $port = $s['SERVER_PORT'];
    $port = ((!$ssl && $port=='80') || ($ssl && $port=='443')) ? '' : ':'.$port;
    $host = isset($s['HTTP_X_FORWARDED_HOST']) ? $s['HTTP_X_FORWARDED_HOST'] : (isset($s['HTTP_HOST']) ? $s['HTTP_HOST'] : null);
    $host = isset($host) ? $host : $s['SERVER_NAME'] . $port;
    $uri = $protocol . '://' . $host . $s['REQUEST_URI'];
    $segments = explode('?', $uri, 2);
    $url = $segments[0];
    return $url;
}

注意:我刚刚更新了 Timo Huovinen's code,因此您不会在 URL 中获得任何 GET 参数。此 URL 很简单,并删除了 ?hi=i&am=a&get 之类的内容。

例子:

http://www.example.com/index?get=information

将显示为:

http://www.example.com/index

这很好,除非你使用 GET 参数来定义一些特定的内容,在这种情况下你应该使用他的代码! :-)


嘿,就是这样,很酷:)你也可以在哈希“#”(url片段)之后删除任何东西,以防它以某种方式滑入
不是真的,因为如果你在“explode('#',$segment[0])”中设置,它会被认为是错误,因为“#”符号破坏了URL,并且只能被Javascript读取。但是你可以做的是,可以肯定的是,你可以用“return trim($url,'#');”重新制作“return $url;”,因为这样你就会删除它,以防它在那里.但它不会删除以下内容。如果您愿意,可以阅读“Parse_url”。 :-)
A
Andreas

清晰的代码,适用于所有网络服务器(Apache、nginx、IIS,...):

$url = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' ? 'https' : 'http') . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];

P
Peter Mortensen

HTTP_HOST 和 REQUEST_URI 必须用引号引起来,否则在 PHP 7.2 中会抛出错误

利用:

$actual_link = 'https://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];

如果要同时支持 HTTP 和 HTTPS:

$actual_link = (isset($_SERVER['HTTPS']) ? 'https' : 'http').'://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];

R
Rohit Gupta

与接受的答案相同的技术,但支持 HTTPS,并且更具可读性:

$current_url = sprintf(
    '%s://%s/%s',
    isset($_SERVER['HTTPS']) ? 'https' : 'http',
    $_SERVER['HTTP_HOST'],
    $_SERVER['REQUEST_URI']
);

上面给出了不需要的斜线。在我的设置 Request_URI 有前导和尾随斜杠。这对我来说效果更好。

$Current_Url = sprintf(
   '%s://%s/%s',
   isset($_SERVER['HTTPS']) ? 'https' : 'http',
   $_SERVER['HTTP_HOST'],
   trim($_SERVER['REQUEST_URI'],'/\\')
);

这是最简单、最干净的一个,并且可以正常工作。
为可读性加分,谢谢。
P
Peter Mortensen

这是我的解决方案 - 代码受 Tracy Debugger 启发。它已更改以支持不同的服务器端口。您可以获得完整的当前 URL,包括 $_SERVER['REQUEST_URI'] 或只是基本的服务器 URL。检查我的功能:

function getCurrentUrl($full = true) {
    if (isset($_SERVER['REQUEST_URI'])) {
        $parse = parse_url(
            (isset($_SERVER['HTTPS']) && strcasecmp($_SERVER['HTTPS'], 'off') ? 'https://' : 'http://') .
            (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : (isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : '')) . (($full) ? $_SERVER['REQUEST_URI'] : null)
        );
        $parse['port'] = $_SERVER["SERVER_PORT"]; // Setup protocol for sure (80 is default)
        return http_build_url('', $parse);
    }
}

这是测试代码:

// Follow $_SERVER variables was set only for test
$_SERVER['HTTPS'] = 'off'; // on
$_SERVER['SERVER_PORT'] = '9999'; // Setup
$_SERVER['HTTP_HOST'] = 'some.crazy.server.5.name:8088'; // Port is optional there
$_SERVER['REQUEST_URI'] = '/150/tail/single/normal?get=param';

echo getCurrentUrl();
// http://some.crazy.server.5.name:9999/150/tail/single/normal?get=param

echo getCurrentUrl(false);
// http://some.crazy.server.5.name:9999/

注意:http_build_url 需要安装 pecl_http
P
Peter Mortensen

我制作了这个函数来处理 URL:

 <?php
     function curPageURL()
     {
         $pageURL = 'http';
         if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
         $pageURL .= "://";
         if ($_SERVER["SERVER_PORT"] != "80") {
             $pageURL .=
             $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
         }
         else {
             $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
         }
         return $pageURL;
     }
 ?>

P
Peter Mortensen

使用 Apache 环境变量很容易做到这一点。这仅适用于我假设您正在使用的 Apache 2。

只需使用以下 PHP 代码:

<?php
    $request_url = apache_getenv("HTTP_HOST") . apache_getenv("REQUEST_URI");
    echo $request_url;
?>

我试过这个 $actual_link = 'http' 。 (isset($_SERVER['HTTPS']) ? 's' : '') 。 '://' 。 "{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}";
P
Peter Mortensen

使用这个单线查找父文件夹 URL(如果您无法访问 pecl_http 附带的 http_build_url()):

$url = (isset($_SERVER['HTTPS']) ? 'https://' : 'http://').$_SERVER['SERVER_NAME'].str_replace($_SERVER['DOCUMENT_ROOT'], '', dirname(dirname(__FILE__)));

你混合 url 和文件在磁盘上的绝对位置
P
Peter Mortensen

这是您的问题的解决方案:

//Fetch page URL by this

$url = $_SERVER['REQUEST_URI'];
echo "$url<br />";

//It will print
//fetch host by this

$host=$_SERVER['HTTP_HOST'];
echo "$host<br />";

//You can fetch the full URL by this

$fullurl = "http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
echo $fullurl;

R
Ram Sharma

尝试这个:

print_r($_SERVER);

$_SERVER 是一个包含标头、路径和脚本位置等信息的数组。此数组中的条目由 Web 服务器创建。无法保证每个 Web 服务器都会提供其中任何一个;服务器可能会省略一些,或提供此处未列出的其他内容。也就是说,在 » CGI/1.1 规范中包含了大量这些变量,因此您应该能够预料到这些变量。

$HTTP_SERVER_VARS 包含相同的初始信息,但不是超全局的。 (请注意,$HTTP_SERVER_VARS$_SERVER 是不同的变量,PHP 会这样处理它们)


P
Pang

您可以使用不带参数的 http_build_url 来获取当前页面的完整 URL

$url = http_build_url();

请注意,http_build_url() 只是一个 PECL 函数:(PECL pecl_http >= 0.21.0)
S
SLC

我已经制作了这个类来处理我的 URI

<?php
/** -------------------------------------------------------------------------------------------------------------------
 * URI CLASS
 * URI management class
 *
 * @author Sandu Liviu Catalin
 * @email slc(dot)universe(at)gmail(dot)com
 * @license Public Domain
**/
abstract class _URI
{
    /** ---------------------------------------------------------------------------------------------------------------
     *  - BASE PARAMETERS
     * $_Script_Hidden - Hide the script name from the returned URI
     * $_Public_Path - Location where public resources are stored
     * $_Public_Relative - Return the relative path version of public location
     * $_Public_Skin - Is the skin directory located in the public directory
     * $_Skin_Path - Location where skins are stored
     * $_Skin_Relative - Return the relative path version of skin location
     * $_Skin_Default - Use this as the default system skin
     * $_Fallback_Base - Use this base URL if you can't extract the current URL
     * $_Fallback_Scheme - Use this scheme if you can't find it automatically
     * $_Fallback_User - Use this user name if you can't find it automatically
     * $_Fallback_Passwd - Use this password if you can't find it automatically
     * $_Fallback_Host - Use this host if you can't find it automatically
     * $_Fallback_Port - Use this port number if you can't find it automatically
     * $_Fallback_Script - Use this script name if you can't find it automatically
     * $_Separator_Scheme - Use this to separate the scheme from the rest of the url
     * $_Separator_Credentials - Use this to separate the user name from the password
     * $_Separator_Auth - Use this to separate the user name and password from host
     * $_Separator_Port - Use this to separate the port number from host
     * $_Separator_Query - Use this to separate the query data from base URL
     * $_Separator_Fragment - Use this to separate the fragment data from query data
    */
    protected static $_Script_Hidden;
    protected static $_Public_Path;
    protected static $_Public_Relative;
    protected static $_Public_Skin;
    protected static $_Skin_Path;
    protected static $_Skin_Relative;
    protected static $_Skin_Default;
    protected static $_Fallback_Base;
    protected static $_Fallback_Scheme;
    protected static $_Fallback_User;
    protected static $_Fallback_Passwd;
    protected static $_Fallback_Host;
    protected static $_Fallback_Port;
    protected static $_Fallback_Script;
    protected static $_Separator_Scheme;
    protected static $_Separator_Credentials;
    protected static $_Separator_Auth;
    protected static $_Separator_Port;
    protected static $_Separator_Query;
    protected static $_Separator_Fragment;

    /** ----------------------------------------------------------------------------------------------------------------
     * CACHED BASES
     * Precompiled common URLs for quick retrieval
    */
    protected static $Base_Host;
    protected static $Base_App;
    protected static $Base_Script;
    protected static $Base_Current;
    protected static $Base_Public;
    protected static $Base_Skin;

    /** ----------------------------------------------------------------------------------------------------------------
     * DATA CONTAINERS
     * Raw URI segments saved from extracted data
    */
    protected static $__Segments = array(
        'SCHEME' => '',
        'USER' => '',
        'PASSWD' => '',
        'HOST' => '',
        'PORT' => '',
        'PATH' => '',
        'SCRIPT' => '',
        'INFO' => '',
        'QUERY' => '',
    );

    /** ----------------------------------------------------------------------------------------------------------------
     * PARSER KEYWORDS
     * URI data asigned to specific keywords.
    */
    protected static $__Parsers;

    /** ----------------------------------------------------------------------------------------------------------------
     * CLASS INITIALIZER
     * Initialize the class
     *
     * @access public
     * @param $Params [array] - An associative array of supported parrameters
     * @return void
    */
    public static function __Init($Params=array())
    {
        // Configure the class
        self::$_Script_Hidden = (isset($Params['Script_Hidden'])) ? $Params['Script_Hidden'] : FALSE;
        self::$_Public_Path = (isset($Params['Public_Path'])) ? $Params['Public_Path'] : 'public';
        self::$_Public_Relative = (isset($Params['Public_Relative'])) ? $Params['Public_Relative'] : TRUE;
        self::$_Public_Skin = (isset($Params['Public_Skin'])) ? $Params['Public_Skin'] : TRUE;
        self::$_Skin_Path = (isset($Params['Skin_Path'])) ? $Params['Skin_Path'] : 'themes';
        self::$_Skin_Relative = (isset($Params['Skin_Relative'])) ? $Params['Skin_Relative'] : TRUE;
        self::$_Skin_Default = (isset($Params['Skin_Default'])) ? $Params['Skin_Default'] : 'default';
        self::$_Fallback_Base = (isset($Params['Fallback_Base'])) ? $Params['Fallback_Base'] : '127.0.0.1';
        self::$_Fallback_Scheme = (isset($Params['Fallback_Scheme'])) ? $Params['Fallback_Scheme'] : 'http';
        self::$_Fallback_User = (isset($Params['Fallback_User'])) ? $Params['Fallback_User'] : '';
        self::$_Fallback_Passwd = (isset($Params['Fallback_Passwd'])) ? $Params['Fallback_Passwd'] : '';
        self::$_Fallback_Host = (isset($Params['Fallback_Host'])) ? $Params['Fallback_Host'] : '127.0.0.1';
        self::$_Fallback_Port = (isset($Params['Fallback_Port'])) ? $Params['Fallback_Port'] : '';
        self::$_Fallback_Script = (isset($Params['Fallback_Script'])) ? $Params['Fallback_Script'] : 'index.php';
        self::$_Separator_Scheme = (isset($Params['Separator_Scheme'])) ? $Params['Separator_Scheme'] : '://';
        self::$_Separator_Credentials = (isset($Params['Separator_Credentials'])) ? $Params['Separator_Credentials'] : ':';
        self::$_Separator_Auth = (isset($Params['Separator_Auth'])) ? $Params['Separator_Auth'] : '@';
        self::$_Separator_Port = (isset($Params['Separator_Port'])) ? $Params['Separator_Port'] : ':';
        self::$_Separator_Query = (isset($Params['Separator_Query'])) ? $Params['Separator_Query'] : '?';
        self::$_Separator_Fragment = (isset($Params['Separator_Fragment'])) ? $Params['Separator_Fragment'] : '#';
        // Do some clean up of the configurations
        self::$_Public_Path = implode('/', explode('/', str_replace(array('/', '\\'), '/', self::$_Public_Path)));
        self::$_Skin_Path = implode('/', explode('/', str_replace(array('/', '\\'), '/', self::$_Skin_Path)));
        // Extract the URL information
        self::Extract();
        // Precompile common bases
        self::$Base_Host = self::Compile('HOST');
        self::$Base_App = self::Compile('PATH');
        self::$Base_Script = self::$Base_App.(self::$_Script_Hidden ? '' : '/'.self::$__Segments['SCRIPT']);
        self::$Base_Current = self::$Base_Script.(empty(self::$__Segments['INFO']) ? '' : '/'.self::$__Segments['INFO']);
        self::$Base_Public = self::$_Public_Relative ? self::$_Public_Path : self::$Base_App.'/'.self::$_Public_Path;
        self::$Base_Skin = self::$_Skin_Relative ? self::$_Skin_Path : self::$Base_Public.'/'.self::$_Skin_Path;
        self::$Base_Skin .= '/'.self::$_Skin_Default;
        // Setup the parsers
        self::$__Parsers['SR_Key'][] = '%HostBase%';
        self::$__Parsers['SR_Data'][] =& self::$Base_Host;
        self::$__Parsers['SR_Key'][] = '%AppBase%';
        self::$__Parsers['SR_Data'][] =& self::$Base_App;
        self::$__Parsers['SR_Key'][] = '%ScriptBase%';
        self::$__Parsers['SR_Data'][] =& self::$Base_Script;
        self::$__Parsers['SR_Key'][] = '%CurrentBase%';
        self::$__Parsers['SR_Data'][] =& self::$Base_Current;
        self::$__Parsers['SR_Key'][] = '%PublicBase%';
        self::$__Parsers['SR_Data'][] =& self::$Base_Public;
        self::$__Parsers['SR_Key'][] = '%SkinBase%';
        self::$__Parsers['SR_Data'][] =& self::$Base_Skin;
        self::$__Parsers['SR_Data'][] =& self::$__Segments['SCHEME'];
        self::$__Parsers['SR_Key'][] = '%UserSegment%';
        self::$__Parsers['SR_Data'][] =& self::$__Segments['USER'];
        self::$__Parsers['SR_Key'][] = '%PasswdSegment%';
        self::$__Parsers['SR_Data'][] =& self::$__Segments['PASSWD'];
        self::$__Parsers['SR_Key'][] = '%HostSegment%';
        self::$__Parsers['SR_Data'][] =& self::$__Segments['HOST'];
        self::$__Parsers['SR_Key'][] = '%PortSegment%';
        self::$__Parsers['SR_Data'][] =& self::$__Segments['PORT'];
        self::$__Parsers['SR_Key'][] = '%PathSegment%';
        self::$__Parsers['SR_Data'][] =& self::$__Segments['PATH'];
        self::$__Parsers['SR_Key'][] = '%ScriptSegment%';
        self::$__Parsers['SR_Data'][] =& self::$__Segments['SCRIPT'];
        self::$__Parsers['SR_Key'][] = '%InfoSegment%';
        self::$__Parsers['SR_Data'][] =& self::$__Segments['INFO'];
        self::$__Parsers['SR_Key'][] = '%QuerySegment%';
        self::$__Parsers['SR_Data'][] =& self::$__Segments['QUERY'];
        self::$__Parsers['SR_Key'][] = '%PublicPath%';
        self::$__Parsers['SR_Data'][] =& self::$_Public_Path;
        self::$__Parsers['SR_Key'][] = '%SkinPath%';
        self::$__Parsers['SR_Data'][] =& self::$_Skin_Path;
        self::$__Parsers['SR_Key'][] = '%DefaultSkin%';
        self::$__Parsers['SR_Data'][] =& self::$_Skin_Default;
        // Everything OK so far
    }

    /** ----------------------------------------------------------------------------------------------------------------
     * URI EXTRACTOR
     * Try every posibility to obtain all the segments of the current URL
     *
     * @access public
     * @return array
    */
    public static function Extract()
    {
        // No point in executing twice to get the same result
        if (!empty(self::$__Segments['HOST'])) return self::$__Segments;
        // Let's try to have a falback for most basic data
        $Script_URI = (isset($_SERVER['SCRIPT_URI'])) ? parse_url($_SERVER['SCRIPT_URI']) : array();
        if (empty($Script_URI)) {
            $Script_URI = parse_url(self::$_Fallback_Base);
        }
        // Try ever possibility to obtain the data that surounds the script name
        if (isset($_SERVER['PHP_SELF'])) {
            $Script_Path = $_SERVER['PHP_SELF'];
        } elseif (isset($_SERVER['REQUEST_URI'])) {
            $Script_Path = preg_replace('/\?.*/', '', $_SERVER['REQUEST_URI']);
        } elseif (isset($Script_URI['path'])) {
            $Script_Path = $Script_URI['path'];
        } elseif (isset($_SERVER['SCRIPT_NAME'])) {
            $Script_Path = isset($_SERVER['SCRIPT_NAME']).(isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : '');
        } elseif (isset($_SERVER['DOCUMENT_ROOT']) && isset($_SERVER['SCRIPT_FILENAME'])) {
            $Script_Path = substr($_SERVER['SCRIPT_FILENAME'], strlen($_SERVER['DOCUMENT_ROOT']),
                                    (strlen($_SERVER['SCRIPT_FILENAME'])-strlen($_SERVER['DOCUMENT_ROOT'])));
            $Script_Path .= (isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : '');
        } else {
            $Script_Path = '';
        }
        // Explode the previously extracted data
        if (strlen($Script_Path) > 0) {
            $Script_Path = preg_split('/[\/]/', $Script_Path, -1, PREG_SPLIT_NO_EMPTY);
        } else {
            $Script_Path = array();
        }
        // Try to obtain the name of the currently executed script
        if (isset($_SERVER['SCRIPT_FILENAME'])) {
            $Script_Name = basename($_SERVER['SCRIPT_FILENAME']);
        } elseif (isset($_SERVER['SCRIPT_NAME'])) {
            $Script_Name = basename($_SERVER['SCRIPT_NAME']);
        } else {
            $Script_Name = self::$_Fallback_Script;
        }
        // Try to find the name of the script in the script path
        $Script_Split = (is_string($Script_Name)) ? array_search($Script_Name, $Script_Path, TRUE) : NULL;
        // Try to obtain the request scheme
        if (isset($_SERVER['REQUEST_SCHEME'])) {
            self::$__Segments['SCHEME'] = $_SERVER['REQUEST_SCHEME'];
        } elseif (isset($_SERVER['SERVER_PROTOCOL'])) {
            self::$__Segments['SCHEME'] = strtolower($_SERVER['SERVER_PROTOCOL']);
            self::$__Segments['SCHEME'] = substr(self::$__Segments['SCHEME'], 0, strpos(self::$__Segments['SCHEME'], '/'));
            self::$__Segments['SCHEME'] .= (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == 'on') ? 's' : '';
        } elseif (isset($Script_URI['scheme'])) {
            self::$__Segments['SCHEME'] = $Script_URI['scheme'];
        } else {
            self::$__Segments['SCHEME'] = self::$_Fallback_Scheme;
        }
        // Try to obtain the user name (if one was used)
        if (isset($_SERVER['PHP_AUTH_USER'])) {
            self::$__Segments['USER'] = $_SERVER['PHP_AUTH_USER'];
        } elseif (isset($Script_URI['user'])) {
            self::$__Segments['USER'] = $Script_URI['user'];
        } else {
            self::$__Segments['USER'] = self::$_Fallback_User;
        }
        // Try to obtain the user password (if one was used)
        if (isset($_SERVER['PHP_AUTH_PW'])) {
            self::$__Segments['PASSWD'] = $_SERVER['PHP_AUTH_PW'];
        } elseif (isset($Script_URI['pass'])) {
            self::$__Segments['PASSWD'] = $Script_URI['pass'];
        } else {
            self::$__Segments['PASSWD'] = self::$_Fallback_Passwd;
        }
        // Try to obtai the host name
        if (isset($_SERVER['SERVER_NAME'])) {
            self::$__Segments['HOST'] = $_SERVER['SERVER_NAME'];
        } elseif (isset($_SERVER['HTTP_HOST'])) {
            self::$__Segments['HOST'] = $_SERVER['HTTP_HOST'];
        } elseif (isset($Script_URI['host'])) {
            self::$__Segments['HOST'] = $Script_URI['host'];
        } else {
            self::$__Segments['HOST'] = self::$_Fallback_Host;
        }
        // Try to obtain the port number (if one was used)
        if (isset($Script_URI['port'])) {
            self::$__Segments['PORT'] = $Script_URI['port'];
        } else {
            self::$__Segments['PORT'] = self::$_Fallback_Port;
        }
        // Try to obtain the path to the script
        if (is_numeric($Script_Split)) {
            self::$__Segments['PATH'] = implode('/', array_slice($Script_Path, 0, $Script_Split, TRUE));
        } else {
            self::$__Segments['PATH'] = '';
        }
        // Try to obtain the Script name
        if (is_string($Script_Name)) {
            self::$__Segments['SCRIPT'] = $Script_Name;
        } else {
            self::$__Segments['SCRIPT'] = '';
        }
        // Try to obtain any passed info
        if (isset($_SERVER['PATH_INFO'])) {
            self::$__Segments['INFO'] = implode('/', preg_split('/[\/]/', $_SERVER['PATH_INFO'], -1, PREG_SPLIT_NO_EMPTY));
        } elseif (is_numeric($Script_Split)) {
            self::$__Segments['INFO'] = implode('/', array_slice($Script_Path, $Script_Split+1));
        } else {
            self::$__Segments['INFO'] = '';
        }
        // -----Pending Feature: Try to also extract the query string

        // Return the extracted URI segments
        return self::$__Segments;

    }

    /** ----------------------------------------------------------------------------------------------------------------
     * URI COMPILER
     * Compile raw URI segments into a usable URL
     *
     * @access public
     * @param $Until [string] - The name of the segment where compilation should stop and return
     * @return string
    */
    public static function Compile($Until=NULL)
    {
        $URI= '';
        $Until = (is_string($Until)) ? strtoupper($Until) : $Until;
        if ($Until === 'SCHEME') {
            return $URI .= (self::$__Segments['SCHEME'] !== '') ? self::$__Segments['SCHEME'].self::$_Separator_Scheme : '';
        } else {
            $URI .= (self::$__Segments['SCHEME'] !== '') ? self::$__Segments['SCHEME'].self::$_Separator_Scheme : '';
        }
        if ($Until === 'USER') {
            return $URI .= (self::$__Segments['USER'] !== '') ? self::$__Segments['USER'].self::$_Separator_Credentials : '';
        } else {
            $URI .= (self::$__Segments['USER'] !== '') ? self::$__Segments['USER'] : '';
        }
        $URI .= (self::$__Segments['USER'] !== '' || self::$__Segments['PASSWD'] !== '') ? self::$_Separator_Credentials : '';
        if ($Until === 'PASSWD') {
            return $URI .= (self::$__Segments['PASSWD'] !== '') ? self::$__Segments['PASSWD'].self::$_Separator_Auth : '';
        } else {
            $URI .= (self::$__Segments['PASSWD'] !== '') ? self::$__Segments['PASSWD'] : '';
        }
        $URI .= (self::$__Segments['USER'] !== '' || self::$__Segments['PASSWD'] !== '') ? self::$_Separator_Auth : '';
        if ($Until === 'HOST') {
            return $URI .= (self::$__Segments['HOST'] !== '') ? self::$__Segments['HOST'] : '';
        } else {
            $URI .= (self::$__Segments['HOST'] !== '') ? self::$__Segments['HOST'] : '';
        }
        if ($Until === 'PORT') {
            return $URI .= (self::$__Segments['PORT'] !== '') ? self::$_Separator_Port.self::$__Segments['PORT'] : '';
        } else {
            $URI .= (self::$__Segments['PORT'] !== '') ? self::$_Separator_Port.self::$__Segments['PORT'] : '';
        }
        if ($Until === 'PATH') {
            return $URI .= (self::$__Segments['PATH'] !== '') ? '/'.self::$__Segments['PATH'] : '';
        } else {
            $URI .= (self::$__Segments['PATH'] !== '') ? '/'.self::$__Segments['PATH'] : '';
        }
        if ($Until === 'SCRIPT') {
            return $URI .= (self::$__Segments['SCRIPT'] !== '') ? '/'.self::$__Segments['SCRIPT'] : '';
        } else {
            $URI .= (self::$__Segments['SCRIPT'] !== '') ? '/'.self::$__Segments['SCRIPT'] : '';
        }
        if ($Until === 'INFO') {
            return $URI .= (self::$__Segments['INFO'] !== '') ? '/'.self::$__Segments['INFO'] : '';
        } else {
            $URI .= (self::$__Segments['INFO'] !== '') ? '/'.self::$__Segments['INFO'] : '';
        }
        return $URI;
    }

    /** ----------------------------------------------------------------------------------------------------------------
     * SEGMENT RETRIEVER
     * Return a specific URI segment
     *
     * @access public
     * @param $Name [string] - The name of the segment you want
     * @return string (on success) bool (on failure)
    */
    public static function Segment($Name)
    {
        if (isset(self::$__Segments[$Name])) {
            return self::$__Segments[$Name];
        } return FALSE;
    }

    /** ----------------------------------------------------------------------------------------------------------------
     * BASE RETRIEVER
     * Return a specific precompiled base
     *
     * @access public
     * @param $Name [string] - The name of the base you want
     * @return mixed (on success) boolean (on failure)
    */
    public static function Base($Name)
    {
        switch ($Name) {
            case 'Host':
            case 'Domain':
                return self::$Base_Host;
            break;
            case 'App':
            case 'Base':
                return self::$Base_App;
            break;
            case 'Script':
            case 'Index':
                return self::$Base_Script;
            break;
            case 'Current':
            case 'This':
                return self::$Base_Current;
            break;
            case 'Public':
            case 'Web':
                return self::$Base_Public;
            break;
            case 'Skin':
            case 'Theme':
                return self::$Base_Skin;
            break;
            case 'All':
                return array(
                    'Host'=>self::$Base_Host,
                    'App'=>self::$Base_App,
                    'Script'=>self::$Base_Script,
                    'Current'=>self::$Base_Current,
                    'Public'=>self::$Base_Public,
                    'Skin'=>self::$Base_Skin,
                );
            break;
        } return FALSE;
    }

    /** ----------------------------------------------------------------------------------------------------------------
     * STRING PARSER
     * Replace known keywords in the specified string with current URI data
     *
     * @access public
     * @param $String [string] - A string that you want to parse
     * @return void
    */
    public static function Parse($String)
    {
        if (is_string($String)) {
            return str_replace(self::$__Parsers['SR_Key'], self::$__Parsers['SR_Data'], $String);
        } elseif (is_array($String)) {
            foreach ($String as $K => $V) {
                $Parsed[$K] = self::$replace($V);
            } return $Parsed;
        } return FALSE;
    }
}
if (isset($_URI_Params)) {
    _URI::__Init($_URI_Params);
} else {
    _URI::__Init();
} 

当然,您必须使其适应您的需求和系统!?!

<?php
// Change a few parameters before loading the class.
$_URI_Params = array(
    'Public_Relative' => FALSE,
    'Skin_Relative' => FALSE,
    'Skin_Default' => 'classic',
    // etc.
);
// Get the URI class
require('uri.php');
// Output all extracted URI segments
echo '<pre>';
var_dump(_URI::Extract());
echo '</pre>';
// Output extracted segments individually
echo 'Scheme: '._URI::Segment('SCHEME').'<br/>';
echo 'User: '._URI::Segment('USER').'<br/>';
echo 'Password: '._URI::Segment('PASSWD').'<br/>';
echo 'Host: '._URI::Segment('HOST').'<br/>';
echo 'Port: '._URI::Segment('PORT').'<br/>';
echo 'Path: '._URI::Segment('PATH').'<br/>';
echo 'Script: '._URI::Segment('SCRIPT').'<br/>';
echo 'Info: '._URI::Segment('INFO').'<br/>';
// Compile extracted segments into a usable URL
echo '<br/>';
echo 'Full Compiled URI: '._URI::Compile().'<br/>';
echo '<br/>';
// Output precompiled common bases for a faster result and better performance
echo 'Host Base: '._URI::Base('Host').'<br/>';
echo 'Application Base: '._URI::Base('App').'<br/>';
echo 'Running Script: '._URI::Base('Script').'<br/>';
echo 'Current URI Base: '._URI::Base('Current').'<br/>';
echo 'Public Folder Base: '._URI::Base('Public').'<br/>';
echo 'Skin Folder Base: '._URI::Base('Skin').'<br/>';
// Get all the precompiled bases in an associative array
echo '<pre>';
var_dump(_URI::Base('All'));
echo '</pre>';
// Parse an example string and replace known keys with actual URI data.
echo _URI::Parse('This is my current domain: %HostBase%
And the current application is here: %AppBase%
I load my skins form: %SkinBase%
etc.
'); 

它仍然需要完善,但它是集中式 URI 系统的绝佳解决方案:D


s
smarteist
    public static function getCurrentUrl($withQuery = true)
    {
        $protocol = (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off')
        or (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) === 'https')
        or (!empty($_SERVER['HTTP_FRONT_END_HTTPS']) && strtolower($_SERVER['HTTP_FRONT_END_HTTPS']) !== 'off')
        or (isset($_SERVER['SERVER_PORT']) && intval($_SERVER['SERVER_PORT']) === 443) ? 'https' : 'http';

        $uri = $protocol . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];

        return $withQuery ? $uri : str_replace('?' . $_SERVER['QUERY_STRING'], '', $uri);
    }

似乎工作得很好,但我不得不用 || 替换 or
P
PhonPanom

我用了这个说法。

$base = "http://$_SERVER[SERVER_NAME]:$_SERVER[SERVER_PORT]$my_web_base_path";
$url = $base . "/" . dirname(dirname(__FILE__));

我希望这能帮到您。


C
Coder

以下是接受答案的更安全版本的基础,使用 PHP 的 filter_input 函数,这也弥补了 $_SERVER['REQUEST_URI'] 的潜在不足:

$protocol_https = filter_input(INPUT_SERVER, 'HTTPS', FILTER_SANITIZE_STRING);
$host = filter_input(INPUT_SERVER, 'HTTP_HOST', FILTER_SANITIZE_URL);
$request_uri = filter_input(INPUT_SERVER, 'REQUEST_URI', FILTER_SANITIZE_URL);
if(strlen($request_uri) == 0)
{
    $request_uri = filter_input(INPUT_SERVER, 'SCRIPT_NAME', FILTER_SANITIZE_URL);
    $query_string = filter_input(INPUT_SERVER, 'QUERY_STRING', FILTER_SANITIZE_URL);
    if($query_string)
    {
        $request_uri .= '?' . $query_string;
    }
}
$full_url = ($protocol_https ? 'https' : 'http') . '://' . $host . $request_uri;

您可以根据自己的喜好使用一些不同的 filters 对其进行调整。


P
Peter Mortensen

我使用了下面的代码,它对我来说工作正常,对于 HTTP 和 HTTPS 两种情况。

function curPageURL() {
  if(isset($_SERVER["HTTPS"]) && !empty($_SERVER["HTTPS"]) && ($_SERVER["HTTPS"] != 'on' )) {
        $url = 'https://'.$_SERVER["SERVER_NAME"];//https url
  }  else {
    $url =  'http://'.$_SERVER["SERVER_NAME"];//http url
  }
  if(( $_SERVER["SERVER_PORT"] != 80 )) {
     $url .= $_SERVER["SERVER_PORT"];
  }
  $url .= $_SERVER["REQUEST_URI"];
  return $url;
}

echo curPageURL();

Demo


http和https的互换位置。
除非我弄错了,否则 $_SERVER['HTTPS'] = 'off' 将触发 HTTPS 路径。这似乎不对。另一方面,我也不认为原来的逻辑是正确的。
h
hpaknia
$base_dir = __DIR__; // Absolute path to your installation, ex: /var/www/mywebsite
$doc_root = preg_replace("!{$_SERVER['SCRIPT_NAME']}$!", '', $_SERVER['SCRIPT_FILENAME']); # ex: /var/www
$base_url = preg_replace("!^{$doc_root}!", '', $base_dir); # ex: '' or '/mywebsite'
$base_url = str_replace('\\', '/', $base_url);//On Windows
$base_url = str_replace($doc_root, '', $base_url);//On Windows
$protocol = empty($_SERVER['HTTPS']) ? 'http' : 'https';
$port = $_SERVER['SERVER_PORT'];
$disp_port = ($protocol == 'http' && $port == 80 || $protocol == 'https' && $port == 443) ? '' : ":$port";
$domain = $_SERVER['SERVER_NAME'];
$full_url = "$protocol://{$domain}{$disp_port}{$base_url}"; # Ex: 'http://example.com', 'https://example.com/mywebsite', etc. 

来源:http://blog.lavoie.sl/2013/02/php-document-root-path-and-url-detection.html


A
Abbas Arif

非常简单的使用:

function current_url() {
    $current_url  = ( $_SERVER["HTTPS"] != 'on' ) ? 'http://'.$_SERVER["SERVER_NAME"] :  'https://'.$_SERVER["SERVER_NAME"];
    $current_url .= ( $_SERVER["SERVER_PORT"] != 80 ) ? ":".$_SERVER["SERVER_PORT"] : "";
    $current_url .= $_SERVER["REQUEST_URI"];

    return $current_url;
}

嗨,鉴于此页面上已经有多少个答案,您能否添加一些解释,说明为什么这比其他答案更好,或者它有什么不同?
嗨,确实有很多解决方案,我的功能简单、干净且易于理解。
M
Madan Sapkota

这适用于 HTTP 和 HTTPS。

echo 'http' . (($_SERVER['HTTPS'] == 'on') ? 's' : '') . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];

输出类似这样的东西。

https://example.com/user.php?token=3f0d9sickc0flmg8hnsngk5u07&access_level=application


n
nyedidikeke

您可以使用 HTTP_ORIGIN,如下面的代码段所示:

if ( ! array_key_exists( 'HTTP_ORIGIN', $_SERVER ) ) {
    $this->referer = $_SERVER['SERVER_NAME'];
} else {
    $this->referer = $_SERVER['HTTP_ORIGIN'];
}

U
UWU_SANDUN

我觉得这个方法很好..试试看

if($_SERVER['HTTP_HOST'] == "localhost"){
    define('SITEURL', 'http://' . $_SERVER['HTTP_HOST']);
    define('SITEPATH', $_SERVER['DOCUMENT_ROOT']);
    define('CSS', $_SERVER['DOCUMENT_ROOT'] . '/css/');
    define('IMAGES', $_SERVER['DOCUMENT_ROOT'] . '/images/');
}
else{
    define('SITEURL', 'http://' . $_SERVER['HTTP_HOST']);
    define('SITEPATH', $_SERVER['DOCUMENT_ROOT']);
    define('TEMPLATE', $_SERVER['DOCUMENT_ROOT'] . '/incs/template/');
    define('CSS', $_SERVER['DOCUMENT_ROOT'] . '/css/');
    define('IMAGES', $_SERVER['DOCUMENT_ROOT'] . '/images/');
}

P
Peter Mortensen
$page_url = (isset($_SERVER['HTTPS']) ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";

更多信息:How to get the full URL of a page using PHP


这个答案是从上面复制的。
是的,除了变量之外,这与 stackoverflow.com/a/23717829/446106 相同(在撰写本文时)