[PHP] php DOM question

[pere roca]

hi everybody,

I'm starting with the php DOM tools with some success.
I want the user to dynamically alter the values of an xml tag (<Filter>) and
incrustate this tag in a predefined XML. This original XML is like this:
...
 <Rule>
   <Filter>
       <PropertyIsEqualTo>
          <PropertyName>userID</PropertyName>
          <Literal>nom USUARI</Literal>                       
       </PropertyIsEqualTo>
   </Filter>
   <Other_things>
   </Other_things>
</Rule>

After executing the code (showed below), the XML tag is inserted but INSIDE
of <Filter> tag, and should go AFTER. This is the wrong XML: 

  <Filter>
       <PropertyIsEqualTo>
          <PropertyName>userID</PropertyName>
          <Literal>nom USUARI</Literal>                       
       </PropertyIsEqualTo>

     ---->the new <Filter> in wrong position

     <Filter>
       <PropertyIsEqualTo>
          <PropertyName>genus</PropertyName>
          <Literal>XXX</Literal>                       
       </PropertyIsEqualTo>
     </Filter>
  </Filter>

Thanks everybody,
this is the code:

<?

$xmlstr =<<<XML
                <Filter xmlns:gml="http://www.opengis.net/gml";>
                        <PropertyIsEqualTo>
                          <PropertyName>genus</PropertyName>
                          <Literal>valor A PASSAR</Literal>
                        </PropertyIsEqualTo>
                                                  
                </Filter>
$sxe = simplexml_load_string($xmlstr);
//Values we will pass to the new <Filter> to insert
$species=array('ontophaugs332','copris');
$dom = new DOMDocument;
//XML we will insert the data to
$dom -> load('edit_iberia3.xml');

//Where will be the data inserted
$where_to_insert= $dom->getElementsByTagName('Filter')->item(0);//->item(0);

//we pass parameters of the array
foreach ($species as $sp=>$value)
{
$sxe->PropertyIsEqualTo->Literal=$value;

//This function takes the node NODE  of class SimpleXML and makes it into a
DOMElement node
$node = dom_import_simplexml($sxe);
//This function returns a copy of the node to import and associates it with
the current document.
$node = $dom->importNode($node, true);
$before_insert->appendChild($node);
}

//we save the XML file
echo $dom->save(simples2);
?> 

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