Proměnná $_SERVER je v PHP a obsajuje základní charakteristiky:
Array
(
[HTTP_USER_AGENT] => Opera/9.01 (Windows NT 5.1; U; cs)
[HTTP_HOST] => www.3tecky.cz
[HTTP_ACCEPT] => text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1
[HTTP_ACCEPT_LANGUAGE] => cs-CZ,cs;q=0.9,en;q=0.8
[HTTP_ACCEPT_CHARSET] => iso-8859-1, utf-8, utf-16, *;q=0.1
[HTTP_ACCEPT_ENCODING] => deflate, gzip, x-gzip, identity, *;q=0
[HTTP_REFERER] => http://www.3tecky.cz/_test/dotaz_na_dostupnost.php?kod=26425
[HTTP_COOKIE] => PHPSESSID=5f758dc2bf97698da4b0a2e18e9db3bf
[HTTP_COOKIE2] => $Version=1
[HTTP_CONNECTION] => Keep-Alive, TE
[HTTP_TE] => deflate, gzip, chunked, identity, trailers
[CONTENT_LENGTH] => 228
[CONTENT_TYPE] => text/plain
[PATH] => /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11
[SERVER_SIGNATURE] =>
[SERVER_SOFTWARE] => Apache/2.2.0 (Unix) mod_ssl/2.2.0 OpenSSL/0.9.7e PHP/5.1.1
[SERVER_NAME] => www.3tecky.cz
[SERVER_ADDR] => 85.93.166.56
[SERVER_PORT] => 80
[REMOTE_ADDR] => 80.188.31.178
[DOCUMENT_ROOT] => /home/klients/3tecky.cz
[SERVER_ADMIN] => techsupp@weby.cz
[SCRIPT_FILENAME] => /home/klients/3tecky.cz/_test/skript.php
[REMOTE_PORT] => 4477
[GATEWAY_INTERFACE] => CGI/1.1
[SERVER_PROTOCOL] => HTTP/1.1
[REQUEST_METHOD] => POST
[QUERY_STRING] =>
[REQUEST_URI] => /_test/skript.php
[SCRIPT_NAME] => /_test/skript.php
[PHP_SELF] => /_test/skript.php
[REQUEST_TIME] => 1157717933
[argv] => Array
(
)
[argc] => 0
)