>> Very Simple PHP DOM Question..Pleas e help!

[gene.ellis]

Hello everyone,

I am really having a lot of trouble understanding the DOM and I doing
something quite basic. I need to the DOM (in PHP 5) to modify an XML
file. For example the XML basically looks like this.

<news>
<pageContent>
<heading></heading>
<author></author>
</pageContent>
<commentSection >
</commentSection>
</news>

What I am trying to do is simple add nodes and content within
<commentSection > and </commentSection> tags. I have been trying the
DOM PHP 5 functions, but I cannot get it quite right. What are the
functions and order would I use if I wanted to take the above XML file
and modify it to look like this:

<news>
<pageContent>
<heading></heading>
<author></author>
</pageContent>
<commentSection >
<comment>
<user>joe</user>
<date>some date</date>
</comment>
<comment>
<user>john</user>
<date>some date</date>
</comment>
</commentSection>
</news>

My big issue is that I cannot get the tags to close in the right place.
If someone could please include a snippet of code that would show me
how to modify the XML file as above, I would really appreciate it.
Right now, I can't find my mistake. Thank you!

[petermichaux]

Can you post the code that you wrote to try to do this?

[gene.ellis]

Actually I just erased it. But it was basically using these functions:

DOMDocument->createElement( )
DOMNode->appendChild( )

My resulting file ends up resembling this:
<comment><user> john<date>some date</user></date></comment>

So I understand how to do everything except for getting these tags to
close in the right place. any idea what I could be doing wrong? How
could I use those two functions to create a node tree that looks like:
<comment><user> john</user><date>some date</date></comment>

Thanks a lot for your help. I have been racking my brains on this for a
long time

[Azeus]

Try this:

<?php
$dom = new DOMDocument("1. 0","iso-8859-1");

/* Create all elements */
$comment = $dom->createElement( "comment"); //root element
$user = $dom->createElement( "user", "Carl");
$date = $dom->createElement( "date", "1-1-2005");

/* Now place them in the correct place in the tree */

$comment->appendChild($u ser); // User is a child of Comment
$comment->appendChild($d ate); // Date is a child of comment
$dom->appendChild($c omment); // Comment is a child of rootdoc

echo $dom->saveXML();
?>

It outputs :
<?xml version="1.0" encoding="iso-8859-1"?>
<comment>
<user>Carl</user>
<date>1-1-2005</date>
</comment>
Make sure you append children according to their place in the hierarchy.
ge********@gmai l.com wrote:

Actually I just erased it. But it was basically using these functions:

DOMDocument->createElement( )
DOMNode->appendChild( )

My resulting file ends up resembling this:
<comment><user> john<date>some date</user></date></comment>

So I understand how to do everything except for getting these tags to
close in the right place. any idea what I could be doing wrong? How
could I use those two functions to create a node tree that looks like:
<comment><user> john</user><date>some date</date></comment>

Thanks a lot for your help. I have been racking my brains on this for a
long time

[gene.ellis]

ok I got it working! Thanks! One question though. When I look at the
resulting XML file, it outputs everything in one long line. How can I
insert newlines so that nodes are on different lines? Thank you!

[Tony Marston]

<ge********@gma il.com> wrote in message
news:11******** *************@g 49g2000cwa.goog legroups.com...

ok I got it working! Thanks! One question though. When I look at the
resulting XML file, it outputs everything in one long line. How can I
insert newlines so that nodes are on different lines? Thank you!

Before the line
$xml_doc->save($fname) ;
insert
$xml_doc->formatOutput = true;
--
Tony Marston

http://www.tonymarston.net