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120 lines
3.0 KiB
XML
120 lines
3.0 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: d51166ca16fda8e766849505b84f9306ef443f71 Maintainer: mch Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="appenditerator.key" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>AppendIterator::key</refname>
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<refpurpose>Возвращает текущий ключ</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="AppendIterator">
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<modifier>public</modifier> <type>scalar</type><methodname>AppendIterator::key</methodname>
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<void/>
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</methodsynopsis>
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<para>
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Возвращает текущий ключ.
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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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Текущий ключ, если он является действительным, или &null; в противном случае.
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</para>
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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 xml:id="appenditerator.key.examples.basic"><!-- {{{ -->
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<title>Пример использования <methodname>AppendIterator::key</methodname></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$array_a = new ArrayIterator(array('a' => 'aardwolf', 'b' => 'bear', 'c' => 'capybara'));
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$array_b = new ArrayIterator(array('apple', 'orange', 'lemon'));
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$iterator = new AppendIterator;
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$iterator->append($array_a);
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$iterator->append($array_b);
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// Ручная итерация
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$iterator->rewind();
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while ($iterator->valid()) {
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echo $iterator->key() . ' ' . $iterator->current() . PHP_EOL;
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$iterator->next();
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}
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echo PHP_EOL;
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// С конструкцией foreach
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foreach ($iterator as $key => $current) {
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echo $key . ' ' . $current . PHP_EOL;
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}
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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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a aardwolf
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b bear
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c capybara
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0 apple
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1 orange
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2 lemon
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a aardwolf
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b bear
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c capybara
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0 apple
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1 orange
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2 lemon
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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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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><methodname>Iterator::key</methodname></member>
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<member><methodname>AppendIterator::current</methodname></member>
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<member><methodname>AppendIterator::valid</methodname></member>
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<member><methodname>AppendIterator::next</methodname></member>
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<member><methodname>AppendIterator::rewind</methodname></member>
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</simplelist>
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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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