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
/**
 * Class for generating SQL clauses that filter a primary query according to date.
 *
 * This file is deprecated, use 'wp-includes/class-wp-date-query.php' instead.
 *
 * @deprecated 5.3.0
 * @package WordPress
 */

_deprecated_file( basename( __FILE__ ), '5.3.0', WPINC . '/class-wp-date-query.php' );

/** WP_Date_Query class */
require_once ABSPATH . WPINC . '/class-wp-date-query.php';