phpxpath-users — General user discussion of Php.XPath

[phpXML] parsing large files -- another solution?

[<spr...@ho...>]

My first thought was to have a couple methods access and store content in a 
file until the full xml is requested. Then I realized doing that would not 
save much memory because the node structure is what's taking up so much 
space.

A previous post about phpxmldb got me thinking about the opposite of 
phpxmldb. How about creating an SQL schema that maps directly to phpxml's 
internal structure. That way, any XPath query can be easily converted to an 
SQL query. The initial parse of an XML file would be quite slow because of 
all the inserts it would require, but the speed of XPath queries would only 
be reduced by the time it takes for executing one sql query. The memory 
problem, which some developers cannot get around, could be eliminated this 
way.

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[phpXML] problem with the class

[<ob...@eu...>]

Hello,
I have a problem with the class: the order of the elements are not
respected.
Maybe someone has already encounter this problem and has a fix.

See example below.
In a tag "Datacontent", there are five tags, 2 named "media" and 3 named
"p", the two "media" tags are placed before the others tags when evaluated,
but in the source, they are places between the others.
Rem: the "DataContent" tag is at the 7th level of the document, it has been
simplified for the example.
Could you please tell me if it is a normal behaviour of the class? This
doesn't happend in other cases.

XML Source:
-----------
....
<DataContent>
<media media-type="image" style="leftSide"><media-reference mime-type=""
data-location="#photo0" /></media>
<p>Les demi-finales des Internationaux de France de tennis proposent
vendredi d'un...</p>
<p>Cédric Pioline fut en 1998 le dernier Français demi-finaliste..</p>
<media media-type="image" style="rightSide"><media-reference mime-type=""
data-location="#photo1" /></media>
<p>Grosjean sera beaucoup plus frais...</p>
</DataContent>

PHP Code:
---------
...
$newstext_eval = $xml->evaluate("/DataContent/*");
foreach ($newstext_eval as $partoftext) {
  echo $partoftext . "\n";
}

Result:
-------
...
DataContent[1]/media[1]
DataContent[1]/media[2]
DataContent[1]/p[1]
DataContent[1]/p[2]
DataContent[1]/p[3]

What I expect is:
-----------------
...
DataContent[1]/media[1]
DataContent[1]/p[1]
DataContent[1]/p[2]
DataContent[1]/media[2]
DataContent[1]/p[3]


Thanks
__
  Olivier


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[phpXML] Re: [phpXML] Re: [phpXML] Re: Searching on attributes

[<inf...@aj...>]

Bonjour phpxml,

Le dimanche 8 juillet 2001 à 12:46:26, vous écriviez :

>> Un petit mot 

ppcu> ...

>> >Support-Assistance PHP/MySql de «Internet Pour Tous»
>> >http://www.i-p-t.com.fr/ :::XML/XSLT - Sablotron:::

ppcu> and an ISP that actually provides php with-sablot. how about that!

Yes, IPT provides PHP4.0.6 with sablot 0.60
What do you want exactly.
Use this private adress :
"IPT - Support PHP/MySql" <php...@i-...>

-- 
Cordialement,
 Daniel                            mailto:inf...@aj...
----------
Support-Assistance PHP/MySql de «Internet Pour Tous» 
http://www.i-p-t.com.fr/ :::XML/XSLT - Sablotron:::
--


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[phpXML] Re: phpxml Version 1.N.4

[<mf...@mr...>]

Hoi,

> Sorry if my question is stupid.. is this a fork ???

I don't know every technical term yet: What is a fork? Instrument to eat?

As long as sourceforge doesn't work I am very relieved Nigel summarizes the
different fixes and want him to go ahead with it.

--
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M+R infosysteme
Hubert-Wienen-Str. 24     52070 Aachen
Tel.: 0241-93878-16     Fax.:0241-875095
E-Mail: mf...@mr...


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[phpXML] Re: Could you help a newbie ? ;o)

[<lu...@sa...>]

Petra,

Try,

$CONTENT_list = $xml->evaluate('/CONTENT');
    foreach ( $CONTENT_list as $CONTENT ) {
	  $DATE      = $xml->get_content($CONTENT.'/DATE[1]');
          $CONTENTTYPE = $xml->get_content($CONTENT.'/CONTENTTYPE[1]');
          $HEADLINE  = $xml->get_content($CONTENT.'/NEW[1]/HEADLINE[1]');
          $NEWSBODY  = $xml->get_content($CONTENT.'/NEW[1]/NEWSBODY[1]');
          echo $HEADLINE.'<p>'.$NEWSBODY.'<hr size="1" noshade>';
   }

En réponse à pe...@zu...:

> Hi !
> 
> I've testet the XML parser first time today - and it works great.
> 
> I've only one problem:
> 
> XML-Example:
> 
> <?xml version="1.0" encoding="ISO-8859-1" standalone="yes"?> 
> <CONTENT>
>      <DATE value="1">2001-09-06 14:45:12</DATE>
>      <CONTENTTYPE>plain/text - news</CONTENTTYPE>
>      <NEW>
>           <HEADLINE>Motorola bringt das Handy zum Aufziehen</HEADLINE>
>           <NEWSBODY>06.09.01 - Zum Thema regenerative ....</NEWSBODY>
>      </NEW>
> </CONTENT>
> 
> With the function evaluate I can retrieve the Information in the the
> <NEW> tag, with
>     $CONTENT = $xml->evaluate("//NEW");
>     foreach ( $CONTENT as $NEW ) {
>           $HEADLINE  = $xml->get_content($NEW."/HEADLINE[1]");
>           $NEWSBODY  = $xml->get_content($NEW."/NEWSBODY[1]");
>           echo $HEADLINE."<p>".$NEWSBODY."<hr size="1" noshade>";
>    }
> 
> 
> But how can retrieve the information in the DATE and CONTENTTYPE -Tag
> ????
> 
> Thx for help !
> 
> Petra
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[phpXML] Re: Help with XPath expression

[<an...@is...>]

On Wed, 18 Jul 2001, Ni...@Sw... wrote:
> So write one :o)
> 
> Mail it round we all get to use it.  I'll encorporate it into my
> version too so that when I mail round 1.N.3 it'll have that in it too.
> 
> Welcome to Open Source.  It's not a license to sit back and be lazy,
> it's an oppertunity to benefit from others hard work and to share your
> own.

No need to preach, I'm well aware of what Open Source is. ;-)

http://www.zend.com/comm_person.php?id=24

-Andrei

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[phpXML] Re: Design questions...

[<lu...@sa...>]

Perfect !!!

Thanks a lot Liz


At 21:17 03/08/01 +0000, you wrote:
>Hi
>
>You might try here http://apps.xmlschema.com/schema_source.htm for
>information about XML Schemas and DTDs available for public use (indistry
>dependent too).
>
>The issue of Attributes VS Elements is a hot debate. Some say one. Some say
>the other.
>
>With XML DTDs you 'do' have a little more control over a DTD, less control
>with Elements.
>Here is are some articles about the topic.
>http://wdvl.com/Authoring/Languages/XML/Tutorials/DoingIt/eltsVSattrs.html
>
>http://www.personal.u-net.com/~sgml/contexts.doc
>
>Hope this helps
>Liz


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[phpXML] Large amounts of data

[<spr...@ho...>]

I'm using phpXML to export/import object heirarchies in an application 
server. I haven't run into the memory limit yet, but when the application 
server starts getting some real use people may want to back up an entire 
site.

I'm thinking of creating an extension of phpXML that stores node content in 
a temporary file instead of keeping it in memory. The method 
set_external_content() will write to a file pointer and then set some node 
attributes like ext_ctnt_position and ext_ctnt_length. The method 
get_external_content() will use those attributes to seek to that position in 
the file and grab the specified content.

Any thoughts on this? Pitfalls? Interest?
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[phpXML] XML Parsing problem

[<sd...@ga...>]

I have the following code:

$cats = $xml->evaluate("//SCAN/IP[@value=".$ip_ip."]/VULNS[1]/CAT");
	
	foreach ($cats as $cat)
	{  

		$cat_atts = $xml->get_attributes($cat);
		$vuln_cat = $cat_atts["value"];
		$vuln_port = $cat_atts["port"];

	
		$vulns =
$xml->evaluate("//SCAN/IP[@value=".$ip_ip."]/VULNS[1]/CAT[@value=".$vuln_cat
."]/VULN");

			foreach ($vulns as $vuln)
			{ ......................


On the first pass thru $cat I get only the $vulns for that $cat, however on
the second $cat I get the $vulns for the first and second $cat as can be
seen below.


	/SCAN[1]/IP[1]/VULNS[1]/CAT[1]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[1]/VULN[1]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[1]/VULN[2]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[1]/VULN[3]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[1]/VULN[4]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[1]/VULN[5]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[1]/VULN[6]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[2]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[1]/VULN[1]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[1]/VULN[2]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[1]/VULN[3]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[1]/VULN[4]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[1]/VULN[5]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[1]/VULN[6]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[2]/VULN[1]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[2]/VULN[2]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[2]/VULN[3]
	/SCAN[1]/IP[1]/VULNS[1]/CAT[2]/VULN[4]

Is this the way its supposed to work and any suggestions on how to get
around this would be greatly appreciated.

Thanks in advance for any help,
Steve Dowell


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[phpXML] Re: [phpXML] CVS problems with sourceforge.net

[<pie...@wa...>]

yes you could not do this

yous should use cvs via a ssh shell, and it seems tha wincvs does not allow 
this
you should the do it using a shell

Read the doc at sourceforge



At 05:55 4/07/01 +0000, you wrote:
>Hi!
>
>I already established a sourceforge.net project for <phpXML/>, but when
>I tried to upload <phpXML/> to the CVS server (using WinCVS) I always
>receive error messages telling me that I'm allowed to write to the
>repository.
>
>Does anyone have experiences with sourceforge.net? Can anybody help me?
>
>Best regards...
>   Michael
>
>
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[phpXML] Re: Dealing with HTML entities

[<nig...@us...>]

I agree that we really need some kind of function to insert an XML fragment
into the XML tree.  Ie Node::InsertNode(DocumentFragment) where
DocumentFragment is a string containing an XML fragment.  As it is, it would
be an absolute nightmare to try to insert something like "This is the
<B>sentence</B> data to be held below a child".  This function is however a
few months away. (Unless someone else writes it?)

The $entities array is only actually used in 2 places in the code.  One is
in the XML character data handler, the other is in the evaluate function to
encode your query.  Every time I look at this bit of code I have to work out
why.  If you can work out a better solution, let us know but I'm afraid at
the moment I'm struggling to even pin down the problem, never mind suggest a
solution...

If you try to appendData($path, '<') you will screw up your xml document, so
you could insert whatever you like.  Probably shouldn't do this, probably
should encode it, but at least it allows us some kind of insertion of
CDATA/xml fragment.  So if you appendData then write to file, then read back
in again you will have a valid XPath class again.

... sorry, feel like I'm talking junk here.  I should check in my changes
and go to bed....

Nigel

===========================
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visit:  http://www.sourceforge.net/projects/phpxmldb


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[phpXML] Re: Design questions...

[<lu...@sa...>]

At 20:05 03/08/01 +0000, you wrote:

>Go immediately over
>
>http://www.w3.org


OK I know the W3C website.. but :

1) regarding my question about phpxml w attributes VS element

=>  I doubt strongly they will publish docs about "is attribute a better 
choice for a phpxml processing"...

2) About my question regarding a standrd DTD for a normal Website

=> W3C is an interesting think tank but if you know a precise URL where I 
could find this kind of stuff pealse give it to me !!
I don't need high level discussion about the semantic Web.. I just would 
like to know is a basic set of DTD suitable for a normal website existe ....


Luc


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[phpXML] parsing large files -- memory ?

[<sh...@co...>]

I apologize if this may have been asked before, but since
there are no list archives available....

My parsing routine is now working fine.  However, with large
XML files (3MB for example) it runs out of memory.  Is there
any way around this?  I realize I could add more memory but is
there any programmatic solution?

: Allowed memory size of 8388608 bytes exhausted (tried to allocate 35
bytes) in



Amy Strycula, Creative Director
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http://www.coolshopping.com
http://www.coolshopping.tv
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(412) 366-8528   fax



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[phpXML] Re: [phpXML] RE: [phpXML] Re: [phpXML] xpath bug with hyphens

[<nig...@us...>]

> My file's header just says 1.0, no more details than that. But, I
downloaded
> the latest and the suspect area seems to be unchanged. Here is what I
> believe is suspect. The are that begins as follows, on line 1492:
>
> // Check whether the operator is a - sign.
> if ( $operator == "-" )
>
> My xpath looks like this:
>
file://map/association[translate(@from-class,'ABCDEFGHIJKLMNOPQRSTUVWXYZ','a
bcdef
> ghijklmnopqrstuvwxyz')='User']";
>
> When I remove the hyphen from the dtd, schema, xpath, etc, the query works
> find. But, with a hyphen, the class strips the hyphen and returns an empty
> result. I could just remove the hyphen forever, but the hyphen is valid as
> far as I know. So, I'll continue to look at the code.

Known bug.  Will be fixed in 1.N.5 (I think).  Basically it sees


[translate(@from-class,'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvw
xyz')='User']

And turns it into

    translate(@from
    -
    class,'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvwxyz')='User'


The XPath evaluate() function in phpxml thus far is slow and has bugs.  It's
been completely re-written to use regular expressions and is looking to be
much much faster and contain less bugs.

So we're on the case, but I ain't promising when you'll see 1.N.5, as I
don't want to dissapoint you and be late!

:o)

Nigel

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[phpXML] RE: [phpXML] Latest version?

[<le...@en...>]

Unfortunatelly we should wait untill the author release new versions...

Best regards

>I see that only version 1.0 is available for download from phpxml.org,
>but I've seen many error reports and fixes come through this list. Where
>can I download the latest version=3F
>

______________________________
Dejan Lekic
developer, MySQL DBA, sysadmin
http://dl.9mb.net

[phpXML] Re: Re: phpxml Version 1.N.4

[<ts...@od...>]

>If there is a strong feeling from the members of this list that I should
not discuss 1.N.X releases on this list,
>then let me know and I'll stop posting them.  Given that there have been 20
or so
>downloads to date, I would presume this isn't the case?

I believe there is a strong feeling for the opposite. Since Michael seems
quite busy this time, it's always nice to have updates. And I don't believe
it's a fork, since no work is being done to the original project. You seem
to me much more like the current temporary maintainer of the project. I say
keep up the good work (since there hasn't been any opposition from Michael
himself).


TsEA


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[phpXML] Bug in setAttributes

[<a.t...@fl...>]

Hi,

just patched phpxml 1.N.5:

// OLD --------------------------------------------------
function setAttributes($absoluteXPath, $attribute) {
  // The attributes parameter should be an associative array.
  if (!is_array($attributes)) return;
  // Add the attributes to the node.
  if (isSet($this->nodes[$path]['attributes'])) {
    $this->nodes[$path]['attributes'] =
    array_merge($this->nodes[$path]['attributes'], $attributes);
  } else {
    $this->nodes[$path]['attributes'] = $attributes;
  }
}

Tell me where the $path variableis set and why the parameter
$attribute
is called $attributes in the function...


// NEW --------------------------------------------------
function setAttributes($absoluteXPath, $attributes) {
  // The attributes parameter should be an associative array.
  if (!is_array($attributes)) return;
  // Add the attributes to the node.
  if (isSet($this->nodes[$absoluteXPath]['attributes'])) {
    $this->nodes[$absoluteXPath]['attributes'] =
    array_merge($this->nodes  [$absoluteXPath]['attributes'],
$attributes);
  } else {
    $this->nodes[$absoluteXPath]['attributes'] = $attributes;
  }
}


BTW, did anyone check the code before releasing it?
How else could one miss those bugs like the
"$this ->" thing and the setAttributes-function,
that did not work at all.

CU, Axel
--
a.t...@fl...

PS, soory for my bad english...

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[phpXML] Re: Help with XPath expression

[<lu...@sa...>]

At 17:07 18/07/01 +0000, Ni...@Sw... wrote:
>Welcome to Open Source.  It's not a license to sit back and be lazy,
>  it's an oppertunity to benefit from others hard work and to share your own.


Hello,

I'm not sure that Andrei is the right candidate for this kind of advice ;-))))

Luc


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[phpXML] Re: [phpXML] RE: [phpXML] Setting up an archive of this list.

[<nig...@us...>]

Any idea where?  I don't speak German so Bablefish goes on strick after I've
been looking for a while....

----- Original Message -----
From: <le...@en...>
To: <us...@li...>
Sent: Friday, August 10, 2001 4:10 PM
Subject: [phpXML] RE: [phpXML] Setting up an archive of this list.


>
> I think archive of phpXML mailing list is made automatically.
>
> Best regards
>
> Dejan
>
>
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[phpXML] Problems using element[@attribute=''] syntax ??

[<ga...@wh...>]

Hi,

I can't, for the life of me, get the following working:

$newNode =
$calendarXML->add_node("/calendar[1]/month[normalize-space(@number)='01']/da
y[normalize-space(@number)='02']","entry");
$calendarXML->add_content($newNode,"something");

I've checked my syntax and it appears to be fine but no matter what I do it
won't add the node in. Does anybody have any ideas? I was hoping to use this
method to help me to handle a calendar system quicker.

Regards,

Gareth



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[phpXML] please switch off html....

[<nig...@us...>]

> I completely agree with this! :(
> HTML mails really s....

Well sorry I completely don't.  :o)   I'm sorry if this causes
inconvenience, but that is what multipart/alternative was created for, and
that's what I send and that's what I will continue to send.  I know much of
the CS world uses Pine and other CMD line mailers, but the additional
formatting that html allows makes it my preferred choice of mail format.

May I recommend IMAP to you all (as an alternative to POP or telnet), then
you can access your mailbox using any gui on any OS using a wide variety of
mail clients (including pine/elm/etc).  Failing that just switch to a mailer
that supports multipart/alternative MIME body parts, then you'll never see
the "ugly" html body parts.  Or perhaps you could write youself a mail
script that filters out "Content-Type: text/html;" MIME body parts when
there is a text/plain available?

I have no idea what the membership is on this list, 50 ish I'd guess,
possibly as many as 100, but unless a substantial proportion "demand" text
only, then I will not be switching off HTML just to cater for what I believe
to be the minority.

Sorry.

Nigel

===========================
For the most recent version of phpxml, V1.N.X, and an archive of this list
visit:  http://www.sourceforge.net/projects/phpxmldb


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[phpXML] Re: [phpXML] Re: [phpXML] [phpXML] I did some modifications...

[<gi...@bt...>]

Hi

I've done some tests using phpXML (1.N.4) and the way it works is really
awesome, however, it does seems to crawl with larger XML documents.

I'd like to use it on a contract i'm starting in a couple of weeks, but
performance will affect my descision to use it.

I'm really interested in what you've said below. What are the chances
phpxml/xmltree projects /will/ merge and will it provide a significant
performance increase ?

Thanks


Girish



----- Original Message -----
From: <nig...@us...>
To: <us...@li...>
Sent: Friday, August 17, 2001 12:07 AM
Subject: [phpXML] Re: [phpXML] [phpXML] I did some modifications...


[..cut..]

> Yip.  Execution speed is currently crippling this project.  Dietrich has
> done some really interesting work that uses regexes to speed up the
> evaluate() as opposed to all the horrid recursion that it currently does.
> I'm currently in discussion with him to see if we can merge the xmltree
and
> phpxml projects so that we can take advantage of the speed increases that
he
> has made.


[..cut..]

> Nigel
>
> --
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[phpXML] RE: [phpXML] Design questions...

[<phi...@ls...>]

> 2) About my question regarding a standrd DTD for a normal Website
> I just would like to know is a basic set of DTD suitable for a
> normal website existe ....
Try HTML 4.01 or XHTML 1.0. They are the 'standard' dtd's of the web.

> What I'm looking for is a set of dtd describing a text, a menu, a
> newsfeed and
> so on.
If you are looking for feeds for syndication, Try RSS or RDF. They are both
described in detail at w3.org and xml.com.

Good luck.



Philip Cohen
---------------
Webmaster
Large Scale Biology Corporation
(707) 446-5501 x354
phi...@ls...



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[phpXML] Re: [phpXML] Re: [phpXML] Re: [phpXML] Need example for 'context'

[<ph...@pe...>]

On Wednesday 04 July 2001 20:42, you wrote:
>
> Though I was a bit surprised that, since there was only a single node for
> 'government', "context" still required the "/government[1]"  syntax.
>
> Many thanks for the hint - I never would have guessed that the [1] was
> needed to define a singular node
>
> Tom

it's an array. a bit like seats in a theatre or train: you can't say 'tell me 
who's sitting in seat', you have to define which seat, even if only one seat 
is occupied - or even if no seat is occupied.

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[phpXML] Re: [phpXML] RE: [phpXML] Subscription successful

[<inf...@aj...>]

Bonjour shop,

Le lundi 9 juillet 2001 à 16:50:08, vous écriviez :

scc> BasePrice
        $BasePrice  = $xml->get_content($Product."/Pricing[1]/BasePrice[1]");

scc> ProductRef Url
        $T =  $xml->get_attributes( $Product."/Path[1]/ProductRef[1]");
        echo $ProducRefUrl  = $T['Url'];



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Cordialement,
 Daniel                            mailto:inf...@aj...
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