Strip H1 tag and its contents
<p>How can i remove</p>

<pre><code>&lt;h1&gt;and its contents&lt;/h1&gt;
</code></pre>

<p>from the following line</p>

<pre><code>strip_tags(substr($article-&gt;content(),0,255)
</code></pre>

<p>from this complete code</p>

<pre><code>&lt;?php $last_articles = $this-&gt;children(array('limit'=&gt;5, 'order'=&gt;'page.created_on DESC')); ?&gt;
&lt;?php foreach ($last_articles as $article): ?&gt;
&lt;div class="entry"&gt;
  &lt;h3&gt;&lt;?php echo $article-&gt;link($article-&gt;title); ?&gt;&lt;/h3&gt;
  &lt;?php echo strip_tags(substr($article-&gt;content(),0,255).'...', '&lt;p&gt;&lt;a&gt;'); ?&gt;
&lt;/div&gt;
&lt;?php endforeach; ?&gt;
</code></pre>
