Originally Posted by borked

I've spent a good long time optimising XML parsing and now use my code on a mainstream price-comaprison site. The script can d/l the xml, parse through 30,000 products (amazon XML feed at 115MB) log any new products in the database, then match those products to my own categories, match them to identical products in the database and update the live products tree.
All in 23 seconds.

Parsing XML is not a problem. Once it's parsed, it's like any variable to display in a web site.