Substract from a string

Posted on 2006-11-17
Last Modified: 2008-02-01
I using $_SERVER['HTTP_REFERER'] to get the referals to my site.

And I get them as

I would like to store them as

But I need help to how substract this.
Question by:brightwood
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
LVL 13

Accepted Solution

rhickmott earned 500 total points
ID: 17966998

$url      =         parse_url($_SERVER['HTTP_REFERER']);
$url      =         $url['scheme'] . "://" . $url[host];
LVL 15

Expert Comment

ID: 17967008
try using the parse url function
LVL 29

Expert Comment

ID: 17967075
If it's a whole list or URL's you have to parse, you can use this:


$s = '';

preg_match_all('/.*?\/\/[^\/]+/', $s, $matches);



Featured Post

Technology Partners: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Author Note: Since this E-E article was originally written, years ago, formal testing has come into common use in the world of PHP.  PHPUnit ( and similar technologies have enjoyed wide adoption, making it possib…
This article discusses how to create an extensible mechanism for linked drop downs.
The viewer will learn how to create and use a small PHP class to apply a watermark to an image. This video shows the viewer the setup for the PHP watermark as well as important coding language. Continue to Part 2 to learn the core code used in creat…
The viewer will learn how to create a basic form using some HTML5 and PHP for later processing. Set up your basic HTML file. Open your form tag and set the method and action attributes.: (CODE) Set up your first few inputs one for the name and …

726 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question