sudo mkdir /var/www/phptest

sudo chown -R $USER:$USER /var/www/phptest
sudo chmod -R 755 /var/www

/var/www/phptest/index.php
<?php echo 'run!'; ?>

<VirtualHost *:80>
    ServerName phptest.web
    ServerAlias www.phptest.web
    ServerAdmin webmaster@localhost
    DocumentRoot /var/www/phptest
        <Directory /var/www/phptest>
                DirectoryIndex index.php
                AllowOverride All
                Order allow,deny
                Allow from all
        </Directory>
    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

sudo a2ensite phptest.conf

sudo service apache2 restart

192.168.1.2 phptest.web www.phptest.web

Localhost/registro/Index.html