PHP get the current page full URL address instance _php tutorial

Source: Internet
Author: User
Tags urlencode
In PHP we want to get the current page full URL address need to use a few common PHP global variables function, mainly with $_server[] These variables, I will show you a get the current page full URL address program bar.

First look at some

$_server[' server_name '] #当前运行脚本所在服务器主机的名称.
A string of $_server[' query_string '] #查询 (QUERY).
$_server[' Http_host '] #当前请求的 HOST: The contents of the head.
$_server[' Http_referer '] #链接到当前页面的前一页面的 URL address.
$_server[' Server_port '] #服务器所使用的端口
$_server[' Request_uri '] #访问此页面所需的 URI.


With some polygon functions, we can start.

First look at some base methods


Two ways of BaseURL

Method One:

The code is as follows Copy Code

BaseUrl
function BaseUrl ($uri = ") {
$BASEURL = (isset ($_server[' https "]) && $_server[' https ']! = ' off ')? ' https://': '/HTTP ';
$baseUrl. = Isset ($_server[' http_host ')? $_server[' http_host ': getenv (' http_host ');
$baseUrl. = Isset ($_server[' script_name ')? DirName ($_server[' script_name '): DirName (getenv (' script_name '));
return $BASEURL. ' /'. $uri;
}


Method Two:

code as follows copy code

/**
* Suppose, browsing in your localhost
* Http://localhost/myproject/index.php?id=8
*/
function BaseUrl ()
{
Output:/myproject/index.php
$currentPath = $_server[' php_self ');

Output:array ([dirname] =/myproject [basename] = index.php [extension] = php [filename] + index)
$pathInfo = PathInfo ($currentPath);

Output:localhost
$hostName = $_server[' http_host ');

output:http://
$protocol = Strtolower (substr ($_server["Server_protocol"],0,5)) = = ' https://'? ' https://': '/HTTP ';

return:http://localhost/myproject/
Return $protocol. $hostName. $pathInfo [' dirname ']. " /";
}

Method Three

The code is as follows Copy Code

/**
* @author McKee
* @blog http://www.bKjia.c0m
*/
function Get_page_url () {
$url = (isset ($_server[' Server_port ')) && $_server[' server_port '] = = ' 443 ')? ' https://': '/HTTP ';
$url. = $_server[' http_host ');
$url. = Isset ($_server[' Request_uri ')? $_server[' Request_uri ': UrlEncode ($_server[' php_self ']). '?' . UrlEncode ($_server[' query_string ');
return $url;
}
Echo Get_page_url ();
?>

Here's how to get the full path to the current page:

code as follows copy code
< p>!--? php
function getfullurl () {
# fix common problem
$requestUri = ';
if (Isset ($_server[' Request_uri ']) { #$_server["Request_uri"] only Apache support,
$requestUri = $_server[' Request_uri ');
} else {
if (isset ($_server[' A RGV ']) {
$requestUri = $_server[' php_self ']. '? '. $_server[' argv '][0];
} else if (Isset ($_server[' query_string ') ]) {
$requestUri = $_server[' php_self ']. '? '. $_server[' query_string '];
}
}
//echo $requestUri. '
';
$scheme = Empty ($_server["HTTPS"])? ": ($_server[" HTTPS "] = =" on ")? "s": "";
$protocol = strstr (Strtolower ($_server["Server_protocol"]), "/", true). $scheme;
$port = ($_server["Server_port"] = = "80")? "": (":". $_server["Server_port"]);
# Gets the full URL
$_fullurl = $protocol. "://" . $_server[' server_name '. $port. $requestUri;
return $_fullurl;
}

Echo Getfullurl (); Note: PHP does not have built-in functions. We need to combine the parameters on the URL to implement the entire URL

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