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john wwSubject: Limit description characters in XSLT transformation.
Author: john ww
Date: 06 Oct 2006 08:25 PM
Hi,
I really cant find this anywhere on the internet so I've come here and i hope someone can help. I can transform an XML so that only the most recent 3 (or any number) items display with a link in the title and a description underneath. At the moment the descriptions are short enough to be fully included.

What i would like to do now is to limit the size of the description displayed and have it end in ... . It can either be a certain number of characters or words.

e.g

Title with link
First # amounts of characters before...

I have used the itemsperpage variable but cant for the life of me think how to do the description. Its done in dreamweaver also.

Here is the XSLT

<xsl:for-each select="rss/channel/item[position() &lt;= $ItemsPerPage]">
<span class="bodytextsmall"><a href="{link}"><xsl:value-of select="title"/><br />
</a></span>
<span class="bodytext"><xsl:value-of select="description" disable-output-escaping="yes" /></span>...<br />
<br />
</xsl:for-each>

and here is the php.

<?php
//XMLXSL Transformation class
require_once('includes/MM_XSLTransform/MM_XSLTransform.class.php');
?><table width="160" border="0" cellspacing="0" cellpadding="3">
<tr>
<td><div align="left">
<?php
$mm_xsl = new MM_XSLTransform();
$mm_xsl->setXML("http://www.name.xml");
$mm_xsl->setXSL("rssfeeds/name.xsl");
$mm_xsl->addParameter("ItemsPerPage", "3");
echo $mm_xsl->Transform();
?>

Hope you can help

regards

John

Posttop
Tony LavinioSubject: Limit description characters in XSLT transformation.
Author: Tony Lavinio
Date: 07 Oct 2006 01:38 AM
Can you just change
<xsl:value-of select="description" disable-output-escaping="yes" />
to
<xsl:value-of select="concat(substring(description, 1, 100), '...')"/>

Do you really need 'disable-output-escaping'? The problem is if you
are truncating the content, and the stuff inside is HTML, you might
split a tag.
   
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