<?php

//path to  the CreateDocx class within your PHPDocX installation
require_once '../../../classes/CreateDocx.inc';
$docx = new CreateDocx();
$comment = new WordFragment($docx, 'document');
$html = new WordFragment($docx, 'comment');
//notice the different "target"
$htmlCode = '<p>This is some HTML code with a link to <a href="http://www.2mdc.com">2mdc.com</a> and a random image: 
<img src="../../img/image.png" width="35" height="35" style="vertical-align: -15px"></p>';
$html->embedHTML($htmlCode, array('downloadImages' => true));
$comment->addComment(array('textDocument' => 'comment', 'textComment' => $html, 'initials' => 'PT', 'author' => 'PHPDocX Team', 'date' => '10 September 2000'));
$text = array();
$text[] = array('text' => 'Here comes the ');
$text[] = $comment;
$text[] = array('text' => ' and some other text.');
$docx->addText($text);
$docx->createDocx('example_addComment_2');
<?php

//path to  the CreateDocx class within your PHPDocX installation
require_once '../../../classes/CreateDocx.inc';
$docx = new CreateDocx();
$comment = new WordFragment($docx, 'document');
$comment->addComment(array('textDocument' => 'comment', 'textComment' => 'The comment we want to insert.', 'initials' => 'PT', 'author' => 'PHPDocX Team', 'date' => '10 September 2000'));
$text = array();
$text[] = array('text' => 'Here comes the ');
$text[] = $comment;
$text[] = array('text' => ' and some other text.');
$docx->addText($text);
$docx->createDocx('example_addComment_1');