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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 * IXR_Base64

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 *

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 * @package IXR

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 * @since 1.5.0

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 */

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class IXR_Base64

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{

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    var $data;

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	/**

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	 * PHP5 constructor.

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	 */

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    function __construct( $data )

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    {

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        $this->data = $data;

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    }

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	/**

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	 * PHP4 constructor.

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	 */

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	public function IXR_Base64( $data ) {

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		self::__construct( $data );

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	}

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    function getXml()

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    {

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        return '<base64>'.base64_encode($this->data).'</base64>';

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    }

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}