[wp-xmlrpc] XML-RPC in Wordpress 3.0

[nico]

This sounds like an interesting way to enhance WP behaviours. And your
plugin is pretty good example of that.

Thanks Eric for your insightful answer.

Nicolas



On Tue, Aug 31, 2010 at 5:22 PM, Eric Mann <eric at eamann.com> wrote:

> There isn't a single resource for API documentation because XML-RPC
> supports
> multiple APIs.  Here are a few references for you:
>
> - WordPress API: http://codex.wordpress.org/XML-RPC_wp
> - Blogger API: http://www.blogger.com/developers/api/1_docs/
> - MetaWeblog API: http://www.xmlrpc.com/metaWeblogApi
> - Movable Type API:
> http://www.sixapart.com/developers/xmlrpc/movable_type_api/
>
> It is possible to add custom RPC methods through plug-ins.  It's fairly
> easy to
> do, and you can extend custom plug-in functionality this way (you can use
> WordPress as any kind of SOAP or REST service if you have the right kind of
> extensibility built-in).
>
> To add your own function, you'll need to do the following:
>
> function xml_add_method( $methods ) {
> $methods['myNamespace.myMethod'] = 'my_method_name';
> return $methods;
> }
> add_filter( 'xmlrpc_methods', 'xml_add_method');
>
> The above code will add a new XML-RPC method to core.  Any external service
> can
> now post a request to http://blogname.url/xmlrpc.php and call
> 'myNamespace.myMethod'.  Any arguments passed to that method call will be
> passed
> directly into a PHP function called 'my_method_name'.  So you'll also need
> the
> following:
>
> function my_method_name( $args ) {
> global $wpdb; // If you want to use this object to load, store, or
> manipulate
> data
>
> $args = wp_parse_args( $args );
> extract( $args, EXTR_SKIP );
>
> ...
> }
>
> Once your arguments are extracted and stored in variables, you can do
> whatever
> you want with them.  If you want an example of how I'm using this for
> plug-in
> callbacks, I suggest looking through the code to my Elliot Server project
> on
> Google Code: http://code.google.com/p/elliot-server/.  This system adds an
> entry
> point that remote plug-ins can post error messages to so a developer can
> follow
> up.  It's a work in progress, though, so expect it to gradually change over
> time.
>
> ~Eric
>
>
> On August 31, 2010 at 2:42 PM nico <nsebban at gmail.com> wrote:
>
>
> > Hello,
> >
> > I've been playing with the XMLRPC API, and I have a few unanswered
> questions :
> >
> > --Is there a Codex page that lists every RPC method, with links to the
> > corresponding help page ?
> > I couldn't find any...I usually end up catenating the URL
> > http://codex.wordpress.org/XML-RPC/with the method name (ie.
> > http://codex.wordpress.org/XML-RPC/wp.getComments), and it sometimes
> works.
> > I'll gladly create a codex account and set this page up, if it doesn't
> exist
> > already...I just wanted to be sure it's not redundant.
> >
> > --Are there plans for new RPC methods in the near future ?
> > I realized that many of the WP3 new features (custom taxonomies, custom
> post
> > types) don't have corresponding RPC methods...are there plans to add
> these ?
> > Is the XMLRPC part of Wordpress still alive ?
> >
> > --Is it possible adding custom RPC methods through plugins code ? Do you
> > recommend it ?
> > I noticed the "xmlrpc_methods" filter, that can be used to add custom RPC
> > methods programmatically in plugins. I think I read at some point that
> the
> > whole Wordpress "engine" is not started when dealing with XMLRPC
> requests...In
> > that context, would registering new methods through the filter and
> loading the
> > corresponding callbacks work ? And would you do it that way ?
> >
> > Thank you for your answers.
> >
> > Nicolas
> >
> >
> >
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