mirror of
https://github.com/sigmasternchen/php-doc-en
synced 2025-03-18 18:08:54 +00:00
14af302c9c
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@334762 c90b9560-bf6c-de11-be94-00142212c4b1
76 lines
2 KiB
XML
76 lines
2 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="simplexmliterator.valid" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>SimpleXMLIterator::valid</refname>
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<refpurpose>Check whether the current element is valid</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<modifier>public</modifier> <type>bool</type><methodname>SimpleXMLIterator::valid</methodname>
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<void/>
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</methodsynopsis>
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<para>
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This method checks if the current element is valid after calls to
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<methodname>SimpleXMLIterator::rewind</methodname> or
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<methodname>SimpleXMLIterator::next</methodname>.
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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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Returns &true; if the current element is valid, otherwise &false;
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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>
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<title>Check whether the current element is valid</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$xmlIterator = new SimpleXMLIterator('<books><book>SQL Basics</book></books>');
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$xmlIterator->rewind(); // rewind to the first element
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echo var_dump($xmlIterator->valid()); // bool(true)
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$xmlIterator->next(); // advance to the next element
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echo var_dump($xmlIterator->valid()); // bool(false) because there is only one element
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?>
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]]>
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</programlisting>
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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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