PHP XSLT Function xslt_set_sax_handler

PHP Version: (4.0.3 - 4.0.6 only)

Description

This function sets sax handlers for xslt processor. You can provide handlers so that you can handle all SAX events. For more details on SAX events, please visit SAX tutorial on topxml.com.

Usage:

voidxslt_set_sax_handler ( resource xh, array handlers)

Set SAX handlers on the resource handle given by xh. SAX handlers should be a two dimensional array.

The structure of the array in the following format (all top level elements are optional):

array(

[document] =>

    array(

        start document handler,

        end document handler

    ),

[element] =>

    array(

        start element handler,

        end element handler

    ),

[namespace] =>

    array(

        start namespace handler,

        end namespace handler

    ),

[comment] => comment handler,

[pi] => processing instruction handler,

[character] => character data handler

)

PHP Code:

  <?php

//Here I have defined handler functions.

//start document function

functiondoc_start($xslt) {

    echo "<BR>Start document event encountered on '$xslt'";

}

//end document function.

functiondoc_end($xslt) {

    echo "<BR>End document encountered on '$xslt'";

}

// start element function.

functionelement_start($xslt_handle, $element, $attributes) {

    echo "<BR>Got element '$element'. ";

    if (count($attributes)) {

        echo "Attributes:";

        print_r($attributes);

    } else {

        echo "<BR>No attributes.";

    }

}

//I have skipped function for CDATA because, there is no CDATA in the XML

//Put all handlers in the two dimensional array.

$sax_handlers = array('document' => array('doc_start', 'doc_end'),

                      'element' => array('element_start'));

$processor = xslt_create();

//set the sax handler by passing all the sax handlers in the form of two //dimensional array.

xslt_set_sax_handler($processor, $sax_handlers);

//perform the transformation

$transformed = xslt_process($processor, 'employee.xml', 'employee.xsl');

//display the error messages. This line will not get executed because of error during transformation

echo $transformed;

//free the processor

xslt_free($processor);

?>