test.php

<?php

#require_once APPPATH . 'classes/helpers/autoload.php';
error_reporting(E_ALL);

use ju1ius\Html\EmailPreflight;

class Inliner {

    public function inline($html_path) {

        spl_autoload_extensions('.php');
        spl_autoload_register('Inliner::myAutoLoad');

        libxml_use_internal_errors(true);
        
        $options = array('strict_parsing' => true, 'css' => array('to_html_attributes' => false), 
                            'html' => array(
                                'remove_styles' => false,
                                'remove_classes' => false,
                                'remove_ids' => false,
                                'remove_comments' => false,
                                'remove_whitespace' => false
                                ));
        
        $inline = new EmailPreflight($options);
        $inline->loadHtmlFile($html_path);
        
        $inline->inlineCss();
        
        $html = $inline->toHtml();

        spl_autoload_unregister('Inliner::myAutoLoad');
        
        return $html;
    }

    function myAutoLoad($name) {
        @include_once(str_replace('\\', '/', trim($name, '\\')) . '.php'); 
    }

}

$a = new Inliner();
$html = $a->inline('C:\svn\test\ju\5-goodyear.html');
echo $html;

?>