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git-svn-id: https://svn.php.net/repository/phpdoc/es/trunk@329051 c90b9560-bf6c-de11-be94-00142212c4b1
124 lines
3.4 KiB
XML
124 lines
3.4 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 1a28eb6e507b3c9f4277fcc5303819947eb8aacd Maintainer: yago Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="function.strval" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>strval</refname>
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<refpurpose>Obtiene el valor de cadena de una variable</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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<type>string</type><methodname>strval</methodname>
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<methodparam><type>mixed</type><parameter>var</parameter></methodparam>
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</methodsynopsis>
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<simpara>
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Obtener el valor de la cadena de una variable.
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Vea la documentación sobre el tipo de dato <type>string</type> para obtener más
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información sobre la conversión a cadena.
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</simpara>
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<simpara>
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Esta función no realiza ninguna de formato en el valor devuelto. Si está
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buscando una manera de dar formato a un valor numérico como una cadena, por favor
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consulte las funciones <function>sprintf</function> o <function>number_format</function>.
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</simpara>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>var</parameter></term>
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<listitem>
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<para>
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La variable que se está convirtiendo en un <type>string</type>.
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</para>
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<para>
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<parameter>var</parameter> puede ser cualquier tipo escalar o un objeto que
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implemente el método <link linkend="object.tostring">__toString()</link>.
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No puede usar <function>strval</function> en arrays u objetos que no implementen
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el método <link linkend="object.tostring">__toString()</link>.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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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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El valor <type>string</type> de <parameter>var</parameter>.
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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>
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<function>strval</function> usando el método mágico
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<link linkend="object.tostring">__toString()</link> de PHP 5
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</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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class StrValTest
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{
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public function __toString()
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{
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return __CLASS__;
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}
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}
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// Imprime 'StrValTest'
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echo strval(new StrValTest);
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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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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>boolval</function></member>
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<member><function>floatval</function></member>
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<member><function>intval</function></member>
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<member><function>settype</function></member>
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<member><function>sprintf</function></member>
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<member><function>number_format</function></member>
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<member><link linkend="language.types.type-juggling">Manipulación de Tipos</link></member>
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<member><link linkend="object.tostring">__toString()</link></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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