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>

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<?php

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/**

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 * WordPress Options Header.

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 *

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 * Displays updated message, if updated variable is part of the URL query.

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 *

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 * @package WordPress

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 * @subpackage Administration

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 */

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$action = ! empty( $_REQUEST['action'] ) ? sanitize_text_field( $_REQUEST['action'] ) : '';

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if ( isset( $_GET['updated'] ) && isset( $_GET['page'] ) ) {

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	// For back-compat with plugins that don't use the Settings API and just set updated=1 in the redirect.

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	add_settings_error( 'general', 'settings_updated', __( 'Settings saved.' ), 'success' );

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}

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settings_errors();