bring lighttpd mod_simple_vhost to nginx

99simple-vhost.conf

# for test purpose only, do not use in production
# inspired by http://blog.pkh.me/p/4-simple_vhost-with-nginx.html

server {
    listen 80 default_server;
    listen [::]:80 default_server;
    server_name default;
    server_name_in_redirect off;

    set $vpath /srv/_vhost/$host;
    if ( !-d $vpath ) {
        set $vpath /srv/default;
    }
    root $vpath;

    error_page 403 =404 /;

    location / {
	index index.php index.html;
    }

    location ^~ /_public {
        autoindex on;
    }

    location ~ \.php$ {
        fastcgi_pass unix:/var/run/php-fpm/php-fpm.sock;
        include fastcgi.conf;
    }
}