php methods to implement different pages with different domain names: 1. Implemented through pure PHP native code; 2. Implemented by modifying htaccess. The URL rewriting rules of htaccess are such as "RewriteCond %{http_host} ^bb.abc. com".

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The operating environment of this tutorial: Windows 7 system, PHP version 5.6, This method works for all brands of computers.

PHP displays different pages according to different domain names

Solution 1: Pure PHP native code implementation

 $domain_route = array(
'www.phpurl1.com' => 'a.php',
 'www.phpurl2.com' => 'b.php',
 );

 $domain = $_SERVER['SERVER_NAME'];

 $target_url = $domain_route[$domain];

 header("location:{$target_url}");

Solution 2: Pass Modify .htaccess to achieve

Now we need to add a second-level domain name bb.abc.com that also points to the www.abc.com server, and change the path after the domain name to the same format as www.abc.com, that is,
http://bb.abc.com ---> ./filedir/bb.php
http://bb.abc.com/late/ ---> ./filedir/bblate.php? p=1

How to write the URL rewriting rules for .htaccess? Display different content based on the judged domain name

Method:
RewriteCond %{http_host} ^bb.abc.com$
RewriteRule ^(/)?$ ./filedir/bb.php [L]
RewriteCond %{http_host} ^bb.abc.com$
RewriteRule ^late/$ ./filedir/bblate.php?p=1 [L]

From: http://www. php.cn/php-weizijiaocheng-108663.html

In fact, the %{http_host} here and "PHP Super Global Variables" [$_SERVER】HTTP_HOST is the same;

The following table lists all important elements in the $_SERVER variable:

我的实现：通过修改.htaccess实现

.htaccess文件

<ifmodule mod_rewrite.c> 
RewriteEngine on 

RewriteCond %{SERVER_NAME} ^www.phpurl1.com$
RewriteRule ^(/)?$ a.php [L]

RewriteCond %{SERVER_NAME} ^www.phpurl2.com$
RewriteRule ^(/)?$ ./b/b.php [L]
</ifmodule>

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