wget saving web page help

Hello,

I need a bit of help with wget.

When a user submits a URL I want to use wget to create an archive/backup of that specific page.  I want to include all the contents of the page i.e. css, images, js etc...

I have the following code and it's working about 90% of what I need.

exec("wget -e robots=off --limit-rate=250k -F -P /home/USERNAME/public_html/results/". $rnd1 ."/". $rnd2 ."/"." -p -k -E ". $site_url ."");

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The problem with this code is if a user submits a URL like this:

http://techcrunch.com/2011/03/22/digital-textbook-startup-inkling-nabs-multi-million-dollar-investment-from-mcgraw-hill-and-pearson/

The backup will be structured this way:

[ techcrunch.com - Folder ] / [ 2011 - Folder ] / [ 03 - Folder ] / [ 22 - Folder ] / [ digital-textbook-startup-inkling-nabs-multi-million-dollar-investment-from-mcgraw-hill-and-pearson - Folder ]


The html will load all the images from main site (techcrunch.com)

However if the user submits a URL like this:

http://blog.joerogan.net/archives/2889

The backup will contain all the images, css, etc...




I hope this makes sense.  If not I will try to clarify.