This directory contains XML-RPC for WordPress (IXR) implementation. The code handles XML-RPC-based communication required for pingbacks, remote publishing, and WordPress.com integration.
ixr-class.php
XML-RPC server message parsing
ixr-diag-service.php
Diagnostic service endpoint
ixr-rcv.php
Incoming XML-RPC handler
ixr-user-service.php
User-specific XML-RPC interface
These files enable core WordPress external API communication. Modify cautiously.