location ~ .php$ {
        if (!-e $request_filename) {
                return 404;
        }
        fastcgi_buffer_size   128k;
        fastcgi_buffers   4 256k;
        fastcgi_busy_buffers_size   256k;
        fastcgi_pass   unix:/var/run/php5-fpm.sock;
        fastcgi_index  index.php;
        fastcgi_param  PATH_INFO          $fastcgi_path_info;
        fastcgi_param  PATH_TRANSLATED    $document_root$fastcgi_path_info;
        fastcgi_param  SCRIPT_FILENAME $request_filename;
        include fastcgi_params;
}