Add CLAUDE.md documentation and sync WordPress core files - Add comprehensive CLAUDE.md documentation file with project architecture, development setup, database operations, WordPress CLI usage, file sync procedures, and Mercurial commands - Update WordPress core files from wordpress/ to wp/ directory - Sync latest WordPress admin interface, includes, and core functionality - Update plugins: portfolio plugin with latest BWS framework and fancybox integration - Maintain custom configuration and theme files 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>

<?php
/**
 * Feed API
 *
 * @package WordPress
 * @subpackage Feed
 * @deprecated 4.7.0
 */

_deprecated_file( basename( __FILE__ ), '4.7.0', 'fetch_feed()' );

if ( ! class_exists( 'SimplePie', false ) ) {
	require_once ABSPATH . WPINC . '/class-simplepie.php';
}

require_once ABSPATH . WPINC . '/class-wp-feed-cache.php';
require_once ABSPATH . WPINC . '/class-wp-feed-cache-transient.php';
require_once ABSPATH . WPINC . '/class-wp-simplepie-file.php';
require_once ABSPATH . WPINC . '/class-wp-simplepie-sanitize-kses.php';