remove http or www from url

[poe]

how would i remove the: (http | https | ftp) :// www.

 

from a url if it is present

 

so:

 

http://www.chris.com = chris.com

http://chris.com/home.html = chris.com/home.html

 

etc...

 

 

thanks

[effigy]

<pre>
<?php
$data = <<<DATA
http://www.chris.com = chris.com
http://chris.com/home.html = chris.com/home.html
DATA;

echo preg_replace('%(?:https?|ftp)://(?:www\.)?%', '', $data);
?>
</pre>