server {
    server_name example.localhost;
    root   /var/www/example.com/public;
    index index.php index.html;
    listen 80;

    include php_biz.conf;
}

location / {
    if ($arg_v = testing) {
        root /var/www/example.com_2/public;
    }
    try_files $uri $uri/ /index.php;
}

location ~ .*.php$ {
    try_files $uri =404; # 404 if file doesnt exist
    include        fastcgi_params;
    fastcgi_pass   php_biz;
    fastcgi_index  index.php;
    fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
}
upstream php_biz {
    server unix:/run/php/php7.0-fpm-biz.sock;
}