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

/**
 * IXR_Base64
 *
 * @package IXR
 * @since 1.5.0
 */
class IXR_Base64
{
    var $data;

	/**
	 * PHP5 constructor.
	 */
    function __construct( $data )
    {
        $this->data = $data;
    }

	/**
	 * PHP4 constructor.
	 */
	public function IXR_Base64( $data ) {
		self::__construct( $data );
	}

    function getXml()
    {
        return '<base64>'.base64_encode($this->data).'</base64>';
    }
}