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Old 09-16-2003, 06:29 AM   #1
amirspl
LQ Newbie
 
Registered: Sep 2003
Location: australia
Posts: 8

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XML php dom


How do u return a single node value from a xml documnet using php.

Javascript code for Windows server : WORKS OK
xmldoc = new ActiveXObject("Microsoft.XMLDOM");

xmldoc.async = false;

xmldoc.load("../xml/data.xml");

if(xmldoc.parseError.errorCode != 0){

window.location.replace("../error.shtml");}

else{

nodes = xmldoc.documentElement.childNodes;

var maxl = xmldoc.documentElement.childNodes.length-1;

calc.namevalue.value = xmldoc.selectSingleNode("//VALUE").text;

PHP DOES NOT RETURN VALUE JUST THE WORD ARRAY IN THE TEXT BOX- my lack of understanding here is very low, can anyone assit in the proper syntax????

<?php
session_start();
if(!$dom = domxml_open_file("../xml/data.xml")) {
echo "Error while parsing the document\n";
exit;
}
$root = $dom->document_element();
$xml_value = $root->get_elements_by_tagname("VALUE");
?>
<html>
<title>Edit an XML Article</title>
<body>
<input name="name" type="text" id="name" value="<?php echo $xml_value ?>" size="30">
</body>
</html>
 
Old 09-16-2003, 06:49 AM   #2
bwMarkus
LQ Newbie
 
Registered: Aug 2003
Posts: 13

Rep: Reputation: 0
I can't answer your question based on the XML commands you are using, but I can recommend use of http://sourceforge.net/projects/phpxpath/. I used it myself and it worked like a charm. And you are not limited to windows or some installed activex.

Simply include the phpxpath class and use it like this:

PHP Code:
require_once "../include/XPath.class.php";

$xpath = new XPath();

if( !
$xpath->importFromFile"somefile.xml" ) )
{
   die();

To retrieve a list of all matching elements call

PHP Code:
$List $xpath->match"/path/to/elements/allofthem/" );
  
  foreach( 
$List as $One 
The value can be retrieved by:

PHP Code:

echo $xpath->getData"/family/dad/name" 
HTH
 
Old 09-20-2003, 06:04 AM   #3
amirspl
LQ Newbie
 
Registered: Sep 2003
Location: australia
Posts: 8

Original Poster
Rep: Reputation: 0
thank you - seams nice however documentation is rather low -

can you point me to some examples ie reading in arrays::

<?php
require_once( "extras/XPath.class.php" );
$file=("xmldata/data.xml");
$x = new XPath($file);
//$fut_exp_value = array();
$eyci_value = $x->getData("/TLEF/EYCI/VALUE");
$fut_exp1 = $x->getData("/TLEF/FUTURES/EXPIRE[1]");

?>
<html>
<title>Edit an XML Article</title>
<body>
<input name="name" type="text" id="name" value="<?php echo $eyci_value ?>" size="30">
</body>
</html>

cant work out how to display array data from the xml document at all, EXPIRE is in the document 9 times, how do you read each one in????
 
  


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