This directory contains the SimplePie library for parsing and validating RSS/Atom feeds. It provides feed discovery, caching, and secure content sanitization for WordPress.
Autoloader.php
Class autoloading registry
SimplePie.php
Core feed parsing functionality
Cache.php
Feed caching implementation
Parse.php
Feed content parsing logic
Sanitize.php
Content sanitization routines
Feed.php
Main feed processing class
System directory contains critical feed parsing infrastructure. Handle with developer caution.