httpd-vhosts.conf

<VirtualHost *:80>
    ServerAdmin webmaster@localhost
    DocumentRoot C:/xampp/htdocs
    ServerName localhost
    ServerAlias www.localhost

    <Directory "C:/xampp/htdocs">
        Options Indexes FollowSymLinks Includes ExecCGI
        AllowOverride All
        Order allow,deny
        Allow from all
    </Directory>
</VirtualHost>

<VirtualHost *:80>
    ServerAdmin webmaster@localroot
    DocumentRoot C:/xampp/localroot
    ServerName localroot
    ServerAlias www.localroot

    <Directory "C:/xampp/localroot">
        Options Indexes FollowSymLinks MultiViews
        AllowOverride all
        Order Deny,Allow
        Allow from all
        Require all granted
    </Directory>
</VirtualHost>

<VirtualHost *:80>
    ServerAdmin webmaster@localdir
    DocumentRoot C:/xampp/localdir
    ServerName localdir
    ServerAlias www.localdir

    <Directory "C:/xampp/localdir">
        Options Indexes FollowSymLinks MultiViews
        AllowOverride all
        Order Deny,Allow
        Allow from all
        Require all granted
    </Directory>
</VirtualHost>