cakephp/tests/test_app/TestApp/Template/Email/html/html.ctp

<?php
use Cake\Mailer\Email;
?>
<h1>HTML Ipsum Presents</h1><p><strong>Pellentesque habitant morbi tristique</strong> senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. <em>Aenean ultricies mi vitae est.</em> Mauris placerat eleifend leo. Quisque sit amet est et sapien ullamcorper pharetra. Vestibulum erat wisi, condimentum sed, <code>commodo vitae</code>, ornare sit amet, wisi. Aenean fermentum, elit eget tincidunt condimentum, eros ipsum rutrum orci, sagittis tempus lacus enim ac dui. <a href="#">Donec non enim</a> in turpis pulvinar facilisis. Ut felis.</p><h2>Header Level 2</h2><ol><li>Lorem ipsum dolor sit amet, consectetuer adipiscing elit.</li><li>Aliquam tincidunt mauris eu risus.</li></ol><blockquote><p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus magna. Cras in mi at felis aliquet congue. Ut a est eget ligula molestie gravida. Curabitur massa. Donec eleifend, libero at sagittis mollis, tellus est malesuada tellus, at luctus turpis elit sit amet quam. Vivamus pretium ornare est.</p></blockquote><h3>Header Level 3</h3><ul><li>Lorem ipsum dolor sit amet, consectetuer adipiscing elit.</li><li>Aliquam tincidunt mauris eu risus.</li></ul>
<pre><code>
#header h1 a {
    display: block;
    width: 300px;
    height: 80px;
}</code></pre>
<table>
<th align="right" valign="top"
        style="font-weight: bold">The tag is across multiple lines - <?= str_repeat('x', Email::LINE_LENGTH_MUST); ?></th>
</table>
<p>Some more <?= str_repeat('x', Email::LINE_LENGTH_MUST); ?> <b>Bold</b> test.</p>