sub.mydomain.com/cake

sub.mydomain.com

<VirtualHost *:80>
    DocumentRoot "C:/xampp/htdocs/cake/"
    ServerName sub.mydomain.com
 <Directory "C:/xampp/htdocs/cake/">
  Options Indexes FollowSymLinks
  AllowOverride All
  Require all granted
 </Directory>
</VirtualHost>

<?php
    if (!empty($_SERVER['HTTPS']) && ('on' == $_SERVER['HTTPS'])) {
        $uri = 'https://';
    } else {
        $uri = 'http://';
    }
    $uri .= $_SERVER['HTTP_HOST'];
    header('Location: '.$uri.'/treesid/');
    exit;
?>