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git-svn-id: https://svn.php.net/repository/phpdoc/de/trunk@215096 c90b9560-bf6c-de11-be94-00142212c4b1
101 lines
2.3 KiB
XML
101 lines
2.3 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.2 $ -->
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<!-- EN-Revision: 1.5 Maintainer: sammywg Status: ready -->
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<refentry id='function.simplexml-element-xpath'>
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<refnamediv>
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<refname>SimpleXMLElement->xpath()</refname>
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<refpurpose>
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Führt ein XPath Query auf XML-Daten aus
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</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<classsynopsis>
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<ooclass><classname>SimpleXMLElement</classname></ooclass>
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<methodsynopsis>
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<type>array</type><methodname>xpath</methodname>
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<methodparam><type>string</type><parameter>path</parameter></methodparam>
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</methodsynopsis>
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</classsynopsis>
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<para>
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Die <literal>xpath</literal> Methode durchsucht den SimpleXML Knoten nach
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Kind-Elementen, die der <acronym>XPath</acronym>
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<parameter>path</parameter>-Anfrage entsprechen. Die Funktion gibt immer
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ein <type>Array</type> von SimpleXMLElement-Objekten zurück.
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</para>
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<para>
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<example>
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<title>Xpath</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$string = <<<XML
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<a>
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<b>
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<c>text</c>
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<c>zeugs</c>
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</b>
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<d>
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<c>code</c>
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</d>
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</a>
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XML;
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$xml = new SimpleXMLElement($string);
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/* Suche nach <a><b><c> */
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$result = $xml->xpath('/a/b/c');
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while(list( , $node) = each($result)) {
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echo '/a/b/c: ',$node,"\n";
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}
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/* Relative Pfade funktionieren ebenfalls ... */
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$result = $xml->xpath('b/c');
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while(list( , $node) = each($result)) {
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echo 'b/c: ',$node,"\n";
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}
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?>
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]]>
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</programlisting>
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<para>
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Das Skript erzeugt die Ausgaben:
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</para>
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<screen>
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<![CDATA[
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/a/b/c: text
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/a/b/c: zeugs
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b/c: text
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b/c: zeugs
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]]>
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</screen>
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<simpara>
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Beachten Sie, dass beide Ergebnisse gleich sind.
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</simpara>
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</example>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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