How can mod_rewrite be utilized to create "fictive" subdomains in PHP?

To create "fictive" subdomains in PHP using mod_rewrite, you can rewrite the URL to pass the subdomain as a query parameter to your PHP script. This way, you can dynamically generate content based on the subdomain. 

```php
RewriteEngine On
RewriteCond %{HTTP_HOST} !^www\. [NC]
RewriteCond %{HTTP_HOST} ^([^.]+)\.example\.com$
RewriteRule ^(.*)$ index.php?subdomain=%1 [L,QSA]
```

In your PHP script (index.php), you can access the subdomain value using `$_GET['subdomain']` and use it to determine the content to display.

Keywords

mod_rewrite subdomains PHP URL rewriting htaccess

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