if (prev === null) {
      prev = current && next = current + 1
    } elseif (next === null) {
      next = current && prev = current -1
    } else {
      if (action == prev) {
        next = current
        prev = current - 1
      } elseif (action == next) {
        prev = current
        next = current + 1
      } else {
        prev = current - 1
        next = current + 1
      }
    }

    $cy = date('Y'); // current year
    $ld = substr($cy, 3); // last digit
    $ftd = substr($cy, 0, 3); // first three digits

    for ($i = $ld; $i > $ld - 3; $i--) {
      $j = $i;
      if ($i < 0) {
        if ($j == -1) {
          $ftd--;
        }
        $j = (9 + $i) + 1;
      }
      $years[] = $ftd . $j;
      $newld = $j;
    }

    $ld = --$newld;

    if ($ld > 0) {
      for ($i = $ld; $i > $ld - 5 || $i == 0; $i–) {
        if ($i > 0) {
          if ($i == $ld) {
            $ys = $ftd . $i;
          }

          if ($i-1 == $ld - 5) {
            if ($i == 9) {
              $ys2 = $ftd . ++$i;
            } else {
              $ys2 = $ftd . $i;
            }
            $newld = $i;
            break;
          }
        } else {
          $ys2 = $ftd . $i;
          $newld = 0;
          $ftd–;
          break;
        }
      }
      if ($ys2[3] == 1) {
        $ys2[3] = 0;
        $ftd–;
      }
      $years[] = $ys .’-’. $ys2;
    } else {
      if (!in_array($ftd . 0, $years)) {
        $years[] = $ftd . 0;
      }
      $newld = 0;
      $ftd–;
    }

    $ld = –$newld;

    if ($ld > 0) {
      for ($i = $ld; $i > 0; $i–) {
        if ($i == $ld) {
          $ys = $ftd . $ld .’-';
        }

        if ($i-1 == 0) {
          $ys .= $ftd . 0;
          $ftd–;
        }
      }
      $years[] = $ys;
    }

    $ftwod = substr($ftd, 0, 2); // first two digits
    $td = substr($ftd, 2); // third digit
    $j = 9;

    for ($i = $td; $i >= 0; $i–) {
      $fy = $ftd . $i . $j;
      $years[] = $ftwod . $i . ‘9-’. $ftwod . $i . ‘0′;
    }

Output:

  'years' =>
    array
      0 => string '2008' (length=4)
      1 => string '2007' (length=4)
      2 => string '2006' (length=4)
      3 => string '2005-2000' (length=9)
      4 => string '1999-1990' (length=9)
      5 => string '1989-1980' (length=9)
      6 => string '1979-1970' (length=9)
      7 => string '1969-1960' (length=9)
      8 => string '1959-1950' (length=9)
      9 => string '1949-1940' (length=9)
      10 => string '1939-1930' (length=9)
      11 => string '1929-1920' (length=9)
      12 => string '1919-1910' (length=9)
      13 => string '1909-1900' (length=9)

  function read($node) {
    $array = array();
    if ($node->firstChild !== null) {
      $current = $node->firstChild;
    } else {
      return;
    }

    while (true) {
      switch ($current->nodeType) {
        case 1: // XML_ELEMENT_NODE
          $array[$current->nodeName][] = $this->read($current);
          break;
        case 3: // XML_TEXT_NODE
        case 4: // XML_CDATA_SECTION_NODE
          if (strlen(trim($current->nodeValue)) > 0) {
            return $current->nodeValue;
          }
          break;
        default:
          echo $current->nodeType;
          break;
      }

      if ($current->nextSibling !== null) {
        $current = $current->nextSibling;
      } else {
        return $array;
      }
    }

    return $array;
  }

worker_processes 5;

error_log logs/error.log;
error_log logs/error.log info;

events {
  use kqueue;
  worker_connections 2048;
}

http {
  include mime.types;
  default_type application/octet-stream;
  server_names_hash_bucket_size 64;

  log_format main ‘$remote_addr - $remote_user [$time_local] $request ‘
                  ‘”$status” $body_bytes_sent “$http_referer” ‘
                  ‘”$http_user_agent” “$http_x_forwarded_for”‘;

  access_log logs/access.log main;

  sendfile on;

  keepalive_timeout 65;

  tcp_nopush on;

  upstream proxy {
    server 192.168.0.2:80 weight=2;
    server 192.168.0.3:80;
  }

  server {
    listen 80;
    server_name my.example.com 192.168.0.1;

    access_log logs/my.example.com.access.log main;

    location /status {
      stub_status on;
      access_log off;
      allow 192.168.0.1;
      deny all;
    }

    location / {
      root /usr/local/www/status;
      index index.php;
      allow 192.168.100.1;
      deny all;
    }

    location ~ \.php$ {
      fastcgi_pass unix:/tmp/php-fastcgi.sock;
      fastcgi_index index.php;
      fastcgi_param SCRIPT_FILENAME /usr/local/www/status$fastcgi_script_name;
      include fastcgi_params;
    }

    location /nagios {
      root /usr/local/www;
      allow 192.168.100.1;
      deny all;
    }

    location ~ \.cgi$ {
      root /usr/local/www/nagios/cgi-bin;
      rewrite ^/nagios/cgi-bin/(.*)\.cgi /$1.cgi break;
      fastcgi_index index.cgi;
      allow 192.168.100.1;
      deny all;
      fastcgi_pass unix:/tmp/perl_cgi-dispatch.sock;
      fastcgi_param HTTP_ACCEPT_ENCODING gzip,deflate;
      fastcgi_param SCRIPT_FILENAME /usr/local/www/nagios/cgi-bin$fastcgi_script_name;
      include fastcgi_params;
    }
  }

  server {
    listen 80;
    server_name proxy.example.com;

    access_log logs/proxy.example.com.access.log main;

    location / {
      proxy_set_header Host $host;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_pass http://proxy;
    }
  }
}

nginx-rrd.conf

#####################################################
#
# dir where rrd databases are stored
RRD_DIR="/var/spool/nginx-rrd";
# dir where png images are presented
WWW_DIR="/usr/local/www/status";
# process nice level
NICE_LEVEL="-19";
# bin dir
BIN_DIR="/usr/sbin";
# servers to test
# server_utl;server_name
SERVERS_URL="http://my.example.com/status;my.example.com http://192.168.0.2/status;2"

fastcgi-php (creates php fastcgi socket, executable init script for FreeBSD, can be ported easily to other systems)

. /etc/rc.subr

name="fcgiphp"
rcvar=`set_rcvar`

load_rc_config $name

: ${fcgiphp_enable="NO"}
: ${fcgiphp_bin_path="/usr/local/bin/php-cgi"}
: ${fcgiphp_user="www"}
: ${fcgiphp_group="www"}
: ${fcgiphp_children="10"}
: ${fcgiphp_port="8002"}
: ${fcgiphp_socket="/tmp/php-fastcgi.sock"}
: ${fcgiphp_env="SHELL PATH USER"}
: ${fcgiphp_max_requests="500"}
: ${fcgiphp_addr="localhost"}

pidfile=/var/run/fastcgi/fcgiphp.pid
procname="${fcgiphp_bin_path}"
command_args="/usr/local/bin/spawn-fcgi -f ${fcgiphp_bin_path} -u ${fcgiphp_user} -g ${fcgiphp_group} -C ${fcgiphp_children} -P ${pidfile}"
start_precmd=start_precmd
stop_postcmd=stop_postcmd

start_precmd()
{
        PHP_FCGI_MAX_REQUESTS="${fcgiphp_max_requests}"
        FCGI_WEB_SERVER_ADDRS=$fcgiphp_addr
        export PHP_FCGI_MAX_REQUESTS
        export FCGI_WEB_SERVER_ADDRS
        allowed_env="${fcgiphp_env} PHP_FCGI_MAX_REQUESTS FCGI_WEB_SERVER_ADDRS"
# copy the allowed environment variables
        E=""
        for i in $allowed_env; do
                eval "x=\$$i"
                E="$E $i=$x"
        done
        command="env - $E"

        if [ -n "${fcgiphp_socket}" ]; then
                command_args=”${command_args} -s ${fcgiphp_socket}”
        elif [ -n "${fcgiphp_port}" ]; then
                command_args=”${command_args} -p ${fcgiphp_port}”
        else
                echo “socket or port must be specified!”
                exit
        fi
}

stop_postcmd()
{
        rm -f ${pidfile}
#       eval “ipcs | awk ‘{ if (\$5 == \”${fcgiphp_user}\”) print \”ipcrm -s \”\$2}’ | /bin/sh”
}

run_rc_command “$1″

perl-fcgi.pl (creates perl socket) - you need the FCGI perl module for this

#!/usr/bin/perl

use FCGI;
#perl -MCPAN -e 'install FCGI'
use Socket;

#this keeps the program alive or something after exec'ing perl scripts
END() { } BEGIN() { }
*CORE::GLOBAL::exit = sub { die "fakeexit\nrc=".shift()."\n"; }; eval q{exit}; if ($@) { exit unless $@ =~ /^fakeexit/; } ;

&main;

sub main {
        #$socket = FCGI::OpenSocket( ":3461", 10 ); #use IP sockets
        $socket = FCGI::OpenSocket( "/tmp/perl_cgi-dispatch.sock", 10 ); #use UNIX sockets - user running this script must have w access to the 'nginx' folde
r!!
        $request = FCGI::Request( \*STDIN, \*STDOUT, \*STDERR, \%req_params, $socket );
        if ($request) { request_loop()};
            FCGI::CloseSocket( $socket );
}

sub request_loop {
        while( $request->Accept() >= 0 ) {

           #processing any STDIN input from WebServer (for CGI-POST actions)
           $stdin_passthrough ='';
           $req_len = 0 + $req_params{'CONTENT_LENGTH'};
           if (($req_params{'REQUEST_METHOD'} eq 'POST') && ($req_len != 0) ){
                        while ($req_len) {
                            $stdin_passthrough .= getc(STDIN);
                            $req_len--;
                        }
            }

            #running the cgi app
            if ( (-x $req_params{SCRIPT_FILENAME}) &&  #can I execute this?
                 (-s $req_params{SCRIPT_FILENAME}) &&  #Is this file empty?
                 (-r $req_params{SCRIPT_FILENAME})     #can I read this file?
            ){
                foreach $key ( keys %req_params){
                   $ENV{$key} = $req_params{$key};
                }
                #http://perldoc.perl.org/perlipc.html#Safe-Pipe-Opens
                open $cgi_app, '-|', $req_params{SCRIPT_FILENAME}, $stdin_passthrough or print("Content-type: text/plain\r\n\r\n"); print "Error: CGI app ret
urned no output - Executing $req_params{SCRIPT_FILENAME} failed !\n";
                if ($cgi_app) {print <$cgi_app>; close $cgi_app;}
            }
            else {
                print("Content-type: text/plain\r\n\r\n");
                print "Error: No such CGI app - $req_params{SCRIPT_FILENAME} may not exist or is not executable by this process.\n";
            }

        }
}

C:\> for /R %i IN (.) do "c:\program files\winrar\rar.exe" x %i/*.rar