Saxon » SaxonC

The following PHP script fails with the exception below:

        $transformer = self::$saxonProc->newXslt30Processor();
        $source = "<?xml version='1.0'?>" .
            "                <xsl:stylesheet xmlns:xsl='http://www.w3.org/1999/XSL/Transform'" .
            "                xmlns:xs='http://www.w3.org/2001/XMLSchema'" .
            "                version='3.0'>" .
            "                <xsl:output method='text' item-separator='~~'/>" .
            "                <xsl:template match='.'>" .
            "                   <xsl:param name='a' as='xs:double'/>" .
            "                   <xsl:param name='b' as='xs:float'/>" .
            "                   <xsl:sequence select='., \$a + \$b'/>" .
            "                </xsl:template>" .
            "                </xsl:stylesheet>";
        $executable = $transformer->compileFromString($source);
        $executable->setProperty("!omit-xml-declaration", "yes");
        $executable->setResultAsRawValue(True);
        $executable->setInitialTemplateParameters(array("a" => self::$saxonProc->createAtomicValue(12), "b" => self::$saxonProc->createAtomicValue(5)));
        $executable->setInitialMatchSelection(self::$saxonProc->createAtomicValue(16));
        $sw = $executable->applyTemplatesReturningString();

Exception:

Exception: Source object is not of type (String, XdmValue or XdmValue[]). Line number: -1

It looks like the setInitialMatchSelection method is not correctly passing the XdmAtomicValue. After more investigation the selection is being passed as null in the Java code.