Another Simple Php Tutorial For Beginners another easy-to-apply-and-use tutorial

karlo · February 25, 2005

Another easy to use and to apply PHP tutorial.

<?php print $_SERVER['USER_AGENT']; ?>

Means to OUTPUT the visitor's browser.

<?php print $_SERVER['REMOTE_ADDR']; ?>

Means to OUTPUT the visitor's IP address.

<?php print $_SERVER['SERVER_NAME']; ?>

Means to OUTPUT the current server.

<?php print $_SERVER['DOCUMENT_ROOT']; ?>

Menas to OUTPUT the current location where the PHP script is located.

How to apply:

Create a PHP script with any file name.

<html><head><title>Sample PHP Script</title></head><body><div align="center" style="font-size: 11px; font-family: verdana; color: black;">Hello! Welcome to website.com!Your current browser is: <strong><?php print $_SERVER['USER_AGENT']; ?></strong><br>Your IP address is: <strong><?php print $_SERVER['REMOTE_ADDR']; ?></strong><br><br>This script is located at <strong><?php print $_SERVER['DOCUMENT_ROOT']; ?></strong> on <strong><?php print $_SERVER['SERVER_NAME']; ?></strong><br><br><strong>If you try to hack my site, I'll know who you are!</strong></div></body></html>

There. It's finish. What do you think?

OpaQue · February 27, 2005

Pretty nice. Also you can simply run this code <? phpinfo(); ?> and get the output regarding the total no. of available envoirnment variables which are available for you to use. Use those values inside $_SERVER['VARIABLE-NAME-HERE'] and impress your clients

beeseven · March 1, 2005

I like $_SERVER['HTTP_REFERER'] (that's not a typo--there's supposed to be only one R after the second E). Sometimes it's interesting to see, and you could also make a database of the referrers and see what site gives you the most hits.

Roly · March 1, 2005

Dont use print, use echo. Its' faster. Only use print when you are using the "or" operator. Liek dis<?phpfopen($file, 'w+') or print('Could not open file');?>

rejected · March 1, 2005

Thanks, I may use this for my 404 error, just customize it. I don't know much about php, but I can understand that little bit. lol

karlo · March 2, 2005

Dont use print, use echo. Its' faster. Only use print when you are using the "or" operator. Liek dis

<?php

fopen($file, 'w+') or print('Could not open file');

?>

54970[/snapback]

i think echo and print are the same.

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Another Simple Php Tutorial For Beginners another easy-to-apply-and-use tutorial

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