[PHP]Server Variables

";
	echo "SERVER_NAME: ". $_SERVER['SERVER_NAME'] ."
";
	echo "SERVER_ADDR: ". $_SERVER['SERVER_ADDR'] ."
";
	echo "SERVER_PORT: ". $_SERVER['SERVER_PORT'] ."
";
	echo "DOCUMENT_ROOT: ". $_SERVER['DOCUMENT_ROOT'] ."
";
	echo "
";
	
	echo "Page details:
";
	echo "PHP_SELF: ". $_SERVER['PHP_SELF'] ."
";
	echo "SCRIPT_FILENAME: ". $_SERVER['SCRIPT_FILENAME'] ."
";
	echo "
";
	
	echo "Request details:
";
	echo "REMOTE_ADDR: ". $_SERVER['REMOTE_ADDR'] ."
";
	echo "REMOTE_PORT: ". $_SERVER['REMOTE_PORT'] ."
";
	echo "REQUEST_URI: ". $_SERVER['REQUEST_URI'] ."
";
	echo "QUERY_STRING: ". $_SERVER['QUERY_STRING'] ."
";
	echo "REQUEST_METHOD: ". $_SERVER['REQUEST_METHOD'] ."
";
	echo "REQUEST_TIME: ". $_SERVER['REQUEST_TIME'] ."
";
	echo "HTTP_REFERER: ". $_SERVER['HTTP_REFERER'] ."
";
	echo "HTTP_USER_AGENT: ". $_SERVER['HTTP_USER_AGENT'] ."
";
	
	
	?>
	

Server details:
SERVER_NAME: localhost
SERVER_ADDR: 127.0.0.1
SERVER_PORT: 80
DOCUMENT_ROOT: D:/wamp/www/

Page details:
PHP_SELF: /php/server_variables.php
SCRIPT_FILENAME: D:/wamp/www/php/server_variables.php

Request details:
REMOTE_ADDR: 127.0.0.1
REMOTE_PORT: 4285
REQUEST_URI: /php/server_variables.php
QUERY_STRING: 
REQUEST_METHOD: GET
REQUEST_TIME: 1334903765

( ! ) Notice: Undefined index: HTTP_REFERER in D:\wamp\www\php\server_variables.php on line 26
Call Stack
#	Time	Memory	Function	Location
1	0.0005	681448	{main}( )	..\server_variables.php:0

HTTP_REFERER: 
HTTP_USER_AGENT: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.162 Safari/535.19