How do the URL's work, do they use PHP?

[pappakaka]

I'm sorry if this maybe is an obvious understanding for you, but i can't understand one thing with URL's.

 

If i create my page called "index.php" and put it in a folder called "folder" then the URL in the address bar would be: http://www.website.com/folder/index.php

 

But then i deside to add a few more pages with like next and previous links to scroll through them. I put those pages in a folder called "pages" within the folder "folder". Now the URL's would something look like this!

 

http://www.website.com/folder/pages/page1.php

http://www.website.com/folder/pages/page2.php

etc...

 

Thats the only way i know URL's are created and look like. But now too my question..

 

This is a few URL's i've seen on a site and every URL leeds to a new page but there is no slashes indicating new folders? How do you do that? Here is some examples of how the URL's could look like:

 

http://www.website.com/index.php

http://www.website.com/index.php?p=new

http://www.website.com/index.php?p=new&page=121

http://www.website.com/merge.php

http://www.website.com/merge.php?id=20381

 

And every URL was a comnpletly new page? 

 

[cyberRobot]

Links like http://www.website.com/merge.php?id=20381 tend to be used for database driven websites. The page "merge.php" is used as a shell which loads the page content using the "id" variable.

 

 

[floridaflatlander]

It's

-http://www.website.com/folder/index.php <- your main page for the folder (if you have one)

-http://www.website.com/folder/page1.php

-http://www.website.com/folder/page2.php and so on

 

You (or at least I do) build these types with a get statement and guery

-http://www.website.com/index.php?p=1

-http://www.website.com/index.php?p=2

 

PS as cyberrobot said, pages like -http://www.website.com/index.php?p=1 pull info from the database

 

[trq]

This is the basics of dynamic content. Generally, you pass data through the url, this data is used within the page then to identify some content (generally stored in a database) and display it.

 

A simple example.

 

<?php

if (isset($_GET['id'])) {
  $id = $_GET['id'];
} else {
  $id = 1;
}

echo "This is page number $id<br />";
echo "Click <a href='?id=" . $id+1 . ">here</a> to see page number " . $id+1;

[pappakaka]

Oh, ok now i see. Thank you! Will try to do a test website like that..