Subdomains with .htaccess (PHP)

Solution:

This would not go into .htaccess, it would go into you httpd.conf file. Look into this question: VirtualHost with wildcard VirtualDocumentRoot

You would also need to setup a wildcard dns record for *.example.com to point to your server. In PHP you would have something like this as the index.php file for your wildcard.

<?php
    $domain = "test.example.com";
    $domain_parts = explode(".", $domain);
    $username = $domain_parts[0];
    header("location: http://example.com/".$username);
?>
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