server {
    listen 80;
    listen [::]:80;
    root /var/www/html/wordpress;
    index  index.php index.html index.htm;
    server_name  example.com www.example.com;

    location / {
    try_files $uri $uri/ /index.php?$args;
    }

    location ~ \.php$ {
    fastcgi_split_path_info  ^(.+\.php)(/.+)$;
    fastcgi_index            index.php;
    fastcgi_pass             unix:/var/run/php/php7.1-fpm.sock; #Ubuntu 17.10
  # fastcgi_pass             unix:/var/run/php/php7.0-fpm.sock; #Ubuntu 17.04
    include                  fastcgi_params;
    fastcgi_param   PATH_INFO       $fastcgi_path_info;
    fastcgi_param   SCRIPT_FILENAME $document_root$fastcgi_script_name;
    }

}