i often have to use this code on my scripts to find out the values for each element in the $_SERVER() array,

this is the code i use:

echo '<PRE>';print_r($_SERVER);echo '</PRE>';


and this is the output i get when i execute this code: 

Array
(
    [HTTP_HOST] => localhost
    [HTTP_USER_AGENT] => Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.10) Gecko/20100914 Firefox/3.6.10
    [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
    [HTTP_ACCEPT_LANGUAGE] => en-us,en;q=0.5
    [HTTP_ACCEPT_ENCODING] => gzip,deflate
    [HTTP_ACCEPT_CHARSET] => ISO-8859-1,utf-8;q=0.7,*;q=0.7
    [HTTP_KEEP_ALIVE] => 115
    [HTTP_CONNECTION] => keep-alive
    [HTTP_CACHE_CONTROL] => max-age=0
    [PATH] => C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\
    [SystemRoot] => C:\Windows
    [COMSPEC] => C:\Windows\system32\cmd.exe
    [PATHEXT] => .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
    [WINDIR] => C:\Windows
    [SERVER_SIGNATURE] => 
Apache/2.0.52 (Win32) mod_ssl/2.0.52 OpenSSL/0.9.7c PHP/5.0.3RC2-dev Server at localhost Port 80


    [SERVER_SOFTWARE] => Apache/2.0.52 (Win32) mod_ssl/2.0.52 OpenSSL/0.9.7c PHP/5.0.3RC2-dev
    [SERVER_NAME] => localhost
    [SERVER_ADDR] => 127.0.0.1
    [SERVER_PORT] => 80
    [REMOTE_ADDR] => 127.0.0.1
    [DOCUMENT_ROOT] => C:/apachefriends/xampp/htdocs
    [SERVER_ADMIN] => admin@localhost
    [SCRIPT_FILENAME] => C:/apachefriends/xampp/htdocs/testscripts/javascript/compressed_files/Ver2/com/update.php
    [REMOTE_PORT] => 57035
    [GATEWAY_INTERFACE] => CGI/1.1
    [SERVER_PROTOCOL] => HTTP/1.1
    [REQUEST_METHOD] => GET
    [QUERY_STRING] => 
    [REQUEST_URI] => /testscripts/javascript/compressed_files/ver2/com/update.php
    [SCRIPT_NAME] => /testscripts/javascript/compressed_files/ver2/com/update.php
    [PHP_SELF] => /testscripts/javascript/compressed_files/ver2/com/update.php
)