mirror of
https://github.com/php/doc-de.git
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129 lines
3.0 KiB
XML
129 lines
3.0 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: d6f54016d62904cfd8200604aadd5e3f0d9bad97 Maintainer: samesch Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="simplexmlelement.key" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>SimpleXMLElement::key</refname>
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<refpurpose>Liefert den aktuellen Schlüssel</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis role="SimpleXMLElement">
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<modifier>public</modifier> <type>string</type><methodname>SimpleXMLElement::key</methodname>
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<void/>
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</methodsynopsis>
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<warning>
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<simpara>
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Vor PHP 8.0 war <methodname>SimpleXMLElement::key</methodname> nur in der
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Kindklasse <classname>SimpleXMLIterator</classname> deklariert.
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</simpara>
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</warning>
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<para>
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Diese Methode ermittelt den Namen des XML-Tags des aktuellen Elements.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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&no.function.parameters;
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Gibt den Namen des XML-Tags des Elements zurück, auf das das aktuelle
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<classname>SimpleXMLElement</classname>-Objekt verweist.
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</para>
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</refsect1>
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<refsect1 role="errors">
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&reftitle.errors;
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<para>
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Wirft bei einem Fehler einen <classname>Error</classname>.
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>8.1.0</entry>
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<entry>
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Wenn <methodname>SimpleXMLElement::key</methodname> mit einem
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ungültigen Iterator aufgerufen wird, wird nun ein
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<classname>Error</classname> geworfen; zuvor wurde &false;
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zurückgegeben.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title>Ermitteln des Schlüssels des aktuellen XML-Tags</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$xmlElement = new SimpleXMLElement('<books><book>PHP basics</book><book>XML basics</book></books>');
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try {
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echo var_dump($xmlElement->key());
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} catch (Error $e) {
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echo $e->getMessage(), "\n";
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}
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$xmlElement->rewind(); // zurücksetzen auf das erste Element
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echo var_dump($xmlElement->key());
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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Iterator not initialized or already consumed
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string(4) "book"
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]]>
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</screen>
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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:"~/.phpdoc/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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