Example content of the $_SERVER superglobal in PHP.
Array
(
[CONTENT_LENGTH] => 160
[CONTENT_TYPE] => application/x-www-form-urlencoded
[DOCUMENT_ROOT] => /var/www/splitbrain
[HTTP_ACCEPT] => text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
[HTTP_ACCEPT_CHARSET] => ISO-8859-1,utf-8;q=0.7,*;q=0.7
[HTTP_ACCEPT_ENCODING] => gzip,deflate
[HTTP_ACCEPT_LANGUAGE] => en-us,en;q=0.5
[HTTP_CACHE_CONTROL] => max-age=0
[HTTP_CONNECTION] => keep-alive
[HTTP_COOKIE] => PHPSESSID=15c8bd40725604ab5d80232f24c6e2e6
[HTTP_HOST] => splitbrain.my.home
[HTTP_KEEP_ALIVE] => 300
[HTTP_REFERER] => http://splitbrain.my.home/dokuwiki/wiki:sandbox?rev=&do=edit
[HTTP_USER_AGENT] => Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040614 Firefox/0.9
[PATH] => /bin:/usr/bin:/sbin:/usr/sbin
[REDIRECT_REDIRECT_STATUS] => 200
[REDIRECT_REDIRECT_UNIQUE_ID] => QOg1NsCoAQoAADuAPMc
[REDIRECT_STATUS] => 200
[REDIRECT_UNIQUE_ID] => QOg1NsCoAQoAADuAPMc
[REDIRECT_URL] => /dokuwiki/index.php
[REMOTE_ADDR] => 192.168.1.15
[REMOTE_PORT] => 1107
[SCRIPT_FILENAME] => /var/www/splitbrain/dokuwiki/doku.php
[SERVER_ADDR] => 192.168.1.10
[SERVER_ADMIN] => andi@splitbrain.org
[SERVER_NAME] => splitbrain.my.home
[SERVER_PORT] => 80
[SERVER_SIGNATURE] =>
[SERVER_SOFTWARE] => Apache/1.3.29 (Debian GNU/Linux) PHP/4.3.4
[UNIQUE_ID] => QOg1NsCoAQoAADuAPMc
[GATEWAY_INTERFACE] => CGI/1.1
[SERVER_PROTOCOL] => HTTP/1.1
[REQUEST_METHOD] => POST
[QUERY_STRING] =>
[REQUEST_URI] => /dokuwiki/
[SCRIPT_NAME] => /dokuwiki/doku.php
[PATH_TRANSLATED] => /var/www/splitbrain/dokuwiki/doku.php
[PHP_SELF] => /dokuwiki/doku.php
[argv] => Array
(
)
[argc] => 0
)