mirror of
https://github.com/php/doc-es.git
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87 lines
2.3 KiB
XML
87 lines
2.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: dcb657b7e9e4f7622ce3394ae1fa3c14538721e1 Maintainer: PhilDaiguille Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="simplexmlelement.valid" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>SimpleXMLElement::valid</refname>
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<refpurpose>Verifica si el elemento actual es válido</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>bool</type><methodname>SimpleXMLElement::valid</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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Antes de PHP 8.0, <methodname>SimpleXMLElement::valid</methodname> solo estaba declarada
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en la subclase <classname>SimpleXMLIterator</classname>.
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</simpara>
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</warning>
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<para>
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Este método verifica si el elemento actual es válido, después
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de una llamada a <methodname>SimpleXMLElement::rewind</methodname> o
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<methodname>SimpleXMLElement::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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Devuelve &true; si el elemento actual es válido, &false; en caso contrario.
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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>Verifica si un elemento es válido</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$xmlElement = new SimpleXMLElement('<books><book>SQL Basics</book></books>');
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$xmlElement->rewind(); // Retorno al primer elemento
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echo var_dump($xmlElement->valid()); // bool(true)
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$xmlElement->next(); // Avance al siguiente elemento
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echo var_dump($xmlElement->valid()); // bool(false) ya que solo hay un elemento
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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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