URL problem in simple Content Management System

dave · #1 15-Jul-2005, 04:47

Hi to all Ph.P experts,

I am stuck with a problem pertaining to URL and PHP variables.

==========
The Problem.
==========
I am trying to display dynamic content by letting the PHP parser parse PHP variables that point to another PHP file. I haven't even dived into creating a more complete page. I just want to verify if the textbook examples I have learnt works. To my dismay, they don't quite work.

My main page is index.php. I am trying to click on a link indicated by

<a href=test.php?page=testC>Test</a>

to load testC.php. By default, testB.php works when index.php was loaded but when trying to click on the link embedded as a List Item, nothing happens. I want it to display testC.php but it just wouldn't.

Appreciate any help!

===========
index.php file.
===========

PHP Code:


<!doctype html public "-//W3C//DTD HTML 4.0 //EN">
<html>
<head>
<title>Welcome!</title>
<style type="text/css">
body{
    position: absolute;
    top: 5%;
    left: 0%;
    background: url:("images/greybg.jpg");
}
</style>
</head>
<body>
<?
If (empty($page))
{
    $page = "testB";
}
@ require_once ("$page.php");
$navigationmenu = <<<NAVIGATIONMENU
<ul>
    <li><a href=test.php?page=testC>Test</a></li>
</ul>
NAVIGATIONMENU;
print $navigationmenu;
?>
</body>
</html>

===========
testB.php file.
===========
testB contents.

===========
testC.php file.
===========
testC contents.

dave · #2 15-Jul-2005, 04:49

oops... I'm sorry the "test.php" in

<a href=test.php?page=testC>Test</a>

should be

<a href=index.php?page=testC>Test</a>

JdS · #3 16-Jul-2005, 06:05

Hello dave,

Have you figured this out already?

Quote:

Originally Posted by dave

...To my dismay, they don't quite work...

What happened exactly?

Anyway, a much "safer" solution can be found here: http://www.gidforums.com/showthread.php?p=2085... it's an old thread but still relevant.

dave · #4 16-Jul-2005, 11:58

Hi JDL,

Thanks for the link. The problem as I mentioned in my original post is that without using $_GET, to display dynamic content simply by using the format

<a href=index.php?page=testC>Test</a>

wouldn't work as $page wouldn't be populated as "testC" when index.php reloads upon clicking the above link. I don't know why it wouldn't work as I followed a text book example for that. Then I read somewhere else that it could be because the "register_globals" directive in php.ini was not set to "on". So curious I was, I went to change it from "off" to "on" but the problem still persists.

However, the link you had provided suggesting the use of $_GET works perfectly fine. Now my CMS can display dynamic content according to what I put after "page=", i.e. I reckon that $page gets populated correctly as index.php reloads. Now everything works! Just that I cannot somehow accept the fact that a text book example failed to work. Not sure if it is due to some things I didn't yet turn on or what.

Anyway thanks for your great help! It's been solved. If you know the answer to the initial problem, I would love to hear it. Once again thanks!

Dave

JdS · #5 20-Jul-2005, 09:10

The book you're using, it may not be something that was published recently.

As you are aware now, the default setting (in php.ini) for register_globals is now OFF; since version 4.2.0 actually, according to the manual. If the book was published before that, then the example was valid at the time but is no longer so.

dave · #6 21-Jul-2005, 00:39

Thanks JdS!

Quote:

Originally Posted by JdS

The book you're using, it may not be something that was published recently.

As you are aware now, the default setting (in php.ini) for register_globals is now OFF; since version 4.2.0 actually, according to the manual. If the book was published before that, then the example was valid at the time but is no longer so.

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URL problem in simple Content Management System

Errata

Thanks.