[wp-hackers] Trackback and Pingback in WordPress

[Mark Jaquith]

This might work... why re-invent the wheel?

http://phptrackback.sourceforge.net/

(released under GPL, of course)

Matthew Mullenweg wrote:

> Dougal Campbell wrote:
>
>> Let alone the fact that parsing RDF (at least properly) is tricky in 
>> its own right. In many cases, you can just pull the needed info out 
>> with regular expressions. Or you could try to treat the RDF like 
>> regular XML and parse it that way. But if you run across a site where 
>> the author is *really* using RDF, and has added extra data, 
>> namespaces, etc. then you run into problems.
>
>
> Since the creators of the Trackback spec use regex to parse it, I 
> think we'd be safe. :)
>