Last updated: Fri, 10 Oct 2008

DomDocument->xinclude

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DomDocument->xinclude — DomDocument オブジェクトにおける XIncludes の代替

説明

int DomDocument->xinclude ( void )

この関数は DomDocument オブジェクトにおける » XIncludes の代替です。

例1 Xincludes の代替


<?php

// include.xml は以下の内容を含む :
// <child>test</child>

$xml = '<?xml version="1.0"?>
<root xmlns:xi="http://www.w3.org/2001/XInclude">
  <xi:include href="include.xml">
    <xi:fallback>
      <error>xinclude: include.xml not found</error>
    </xi:fallback>
  </xi:include>
</root>';

$domxml = domxml_open_mem($xml);
$domxml->xinclude();

echo $domxml->dump_mem();

?>

上の例の出力は以下となります。

<?xml version="1.0"?>
<root xmlns:xi="http://www.w3.org/2001/XInclude">
  <child>test</child>
</root>

もし include.xml が存在しない場合、次の通りとなります:

<?xml version="1.0"?>
<root xmlns:xi="http://www.w3.org/2001/XInclude">
  <error>xinclude:dom.xml not found</error>
</root>

add a note User Contributed Notes
DomDocument->xinclude

www dot spam at whoah dot net
20-Aug-2004 06:29


Tips for anyone trying to use nested <xi:include /> blocks:



- Multiple calls to DOMDocument::xinclude() are required to parse each level of include blocks, you can either call xinclude() a fixed amount of times (enough to cover your needs), or you can check for leftover <xi:include /> blocks after each call to DOMDocument::xinclude() to see if you need to call it again.



- If you are going to use an <xi:include /> block in an included file, you must define the "xi" namespace in the included file where another include block exists, the namespace definition will not carry through from the first xml file



eg.



==========

a.xml (xi definition needed)

----------

<?xml version="1.0"?>

<a xmlns:xi="http://www.w3.org/2001/XInclude">

    <xi:include href="includes/b.xml" />

</a>

==========



==========

b.xml (xi definition needed)

----------

<?xml version="1.0"?>

<b xmlns:xi="http://www.w3.org/2001/XInclude">

    <xi:include href="c.xml" />

</b>

==========



==========

c.xml (xi definition not needed)

----------

<?xml version="1.0"?>

<c>whatever</c>

==========



- Futher to my example above, if you are including an xml file that has another include inside it, the href "base" url will be taken from the 2nd file. In the above example, "c.xml" is actually in the same directory as "b.xml", whereas "a.xml" is in the directory above, but because b is calling c, the "base" directory is seen as "includes/"



Another tip not related to nested xincludes, but simply xinclude stuff in general:



I wanted to turn this...

<a>

    <b />

    <c />

    <d />

    <e />

</a>



...into this...

<a>

    <xi:include file="bcde.xml" />

</a>



...but then bcde.xml would have looked like this...

<b />

<c />

<d />

<e />



...which is not valid xml and was causing an error. So just remember that included files need to be valid and may still only have one root element.



These are from my experiences with PHP5.0.1, I'm not a DOMXML expert at all. Enjoy!

amm at remasys dot com
01-Jul-2004 09:14


xml Include using xpointer to include specific part of another xml doc



Main xml file (or string):

<?xml version="1.0" encoding="utf-8"?>

<root xmlns:xi="http://www.w3.org/2001/XInclude">

   <optional>

      <xi:include href="include.xml#xpointer(/parts/*)" parse="xml">

         <xi:fallback>

            <error>Error.</error>

         </xi:fallback>

      </xi:include>

   </optional>

   <blah>blah</blah>

   <blah>blah</blah>

</root>



Include.xml file (or string:

<?xml version="1.0" encoding="utf-8"?>

<parts>

   <part>part one</part>

   <part>part two</part>

   <part>part three</part>

</parts>



href="include.xml#xpointer(/parts/*)"

will include all <part> tags but NOT <parts>



href="include.xml#xpointer(/parts/part[1])"

will include <part>part one</part>



simple but very usefull.

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DomDocumentType->entities

DomDocument->html_dump_mem

Last updated: Fri, 10 Oct 2008