Код:

user  www;
worker_processes  3;

pid        /var/run/nginx.pid;

events {
    worker_connections  1024;
}
http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile       on;
    tcp_nopush     on;
    tcp_nodelay    on;
    keepalive_timeout  65;
    server_names_hash_max_size 2048;
    server_names_hash_bucket_size 128;

    server {
        listen       80;
        server_name  xxx.net;

        charset utf8;
        client_max_body_size    25m;

        location / {
                root /usr/local/www/web2/;
                index index.html index.php;
        }

        location /php {
                alias /usr/local/www/web3/;
                index index.html index.php;
        }

        location ~* \.php$ {
            fastcgi_pass   127.0.0.1:9000;
            fastcgi_index  index.php;
            fastcgi_param  SCRIPT_FILENAME  /usr/local/www/web3$fastcgi_script_name;
            include        fastcgi_params;
        }


    }


}