The whole file is in a mess, what’s going on

server {

                      80;

                      server_name   www.zt. com;

root "D:\phpStudy\PHPTutorial\WWW\zt";

location / {

index index.html index.htm index.php;

              #autoindex on; # fastcgi_index index.php;

fastcgi_split_path_info ^((?U). \.php)(/?. )$;

fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;

fastcgi_param PATH_INFO $fastcgi_path_info;

fastcgi_param PATH_TRANSLATED $document_root$fastcgi_path_info;

include fastcgi_params;

##server {

                                                                                        #  .php;

          #autoindex on;

fastcgi_index index.php;

fastcgi_split_path_info ^((?U). \.php)(/?. )$;

fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;

                                    PATH_INFO     $fastcgi_path_info; }

}

server {

listen fastcgi_split_path_info ^((?U). \.php)(/?. )$;

server_name fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;

        root   "            fastcgi_param  PATH_INFO  $fastcgi_path_inf";

        location / {

            index  index.html index.htm index.php;

            #autoindex  on;

        }

        location ~ \.php(.*)$ {

            fastcgi_pass   127.0.0.1:9000;

            fastcgi_index  index.php;

            fastcgi_split_path_info  ^((?U). \.php)(/?. )$;

            fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;

            fastcgi_param  PATH_INFO  $fastcgi_path_info;

            fastcgi_param  PATH_TRANSLATED  $document_root$fastcgi_path_info;

            include        fastcgi_params;

        }

}

server {

        listen       fastcgi_split_path_info  ^((?U). \.php)(/?. )$;

        server_name  fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;

        root   "            fastcgi_param  PATH_INFO  $fastcgi_path_inf";

        location / {

            index  index.html index.htm index.php;

            #autoindex  on;

        }

        location ~ \.php(.*)$ {

            fastcgi_pass   127.0.0.1:9000;

            fastcgi_index  index.php;

            fastcgi_split_path_info  ^((?U). \.php)(/?. )$;

            fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;

            fastcgi_param  PATH_INFO  $fastcgi_path_info;

            fastcgi_param  PATH_TRANSLATED  $document_root$fastcgi_path_info;

            include        fastcgi_params;

        }

}