Nov 8, 2009

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

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

karlo
Feb 25 2005, 04:13 AM
Another easy to use and to apply PHP tutorial.

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

Means to OUTPUT the visitor's browser.

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

Means to OUTPUT the visitor's IP address.

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

Means to OUTPUT the current server.

CODE
<?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.

CODE
<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?

 

 

 


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OpaQue
Feb 27 2005, 08:22 AM
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 wink.gif

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beeseven
Mar 1 2005, 01:54 AM
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.

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Roly
Mar 1 2005, 02:27 AM
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');
?>

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rejected
Mar 1 2005, 05:21 AM
Thanks, I may use this for my 404 error, just customize it. happy.gif I don't know much about php, but I can understand that little bit. lol

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karlo
Mar 2 2005, 02:34 PM
QUOTE(Roly @ Mar 1 2005, 10:27 AM)
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');
?>
*


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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