The use of fn: functions in XSL - XPath

[Rutger Claes]

Hello,

In an XSL stylesheet, that I apply using an XSLTProcessor() in PHP5, I would
like to use the function fn:month-from-dateTime( ). I found this function
at: http://www.w3schools.com/xpath/xpath...s.asp#datetime
I get the error message:
xmlXPathCompOpEval: function month-from-dateTime not found

Is the use of these functions not supported in php? Or am I using them
wrong?

I use it as follows:
xml data:
<entry>
<submitDate>
2005-01-10T12:30-04:10
</submitDate>
</entry>

xsl stylesheet:
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:fn="http://www.w3.org/2005/02/xpath-functions">
...
<xsl:template match="entry">
<xsl:value-of select="fn:month-from-dateTime( submitDate )" />
</xsl:template>
...
</xsl:stylesheet>

Thanks in advance,
Rutger Claes
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