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git-svn-id: https://svn.php.net/repository/phpdoc/es/trunk@333975 c90b9560-bf6c-de11-be94-00142212c4b1
139 lines
3.3 KiB
XML
139 lines
3.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 54d64fe32af4f232dc67fa0b07f295a801156d04 Maintainer: seros Status: ready -->
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<!-- Reviewed: yes Maintainer: seros -->
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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.strlen">
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<refnamediv>
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<refname>strlen</refname>
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<refpurpose>Obtiene la longitud de un string</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>int</type><methodname>strlen</methodname>
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<methodparam><type>string</type><parameter>string</parameter></methodparam>
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</methodsynopsis>
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<para>
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Devuelve la longitud del <parameter>string</parameter> dado.
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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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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>string</parameter></term>
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<listitem>
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<para>
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El <type>string</type> del cual medir su longitud.
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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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La longitud del <parameter>string</parameter> en caso de éxito,
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y <literal>0</literal> si el <parameter>string</parameter> esta vacío.
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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>5.3.0</entry>
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<entry>
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Las versiones anteriores trataban los arrays como el string <literal>Array</literal>, devolviendo así
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una longitud de string de <literal>5</literal> y emitiendo un error de nivel <constant>E_NOTICE</constant>.
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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>Un ejemplo de<function>strlen</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$str = 'abcdef';
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echo strlen($str); // 6
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$str = ' ab cd ';
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echo strlen($str); // 7
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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="notes">
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&reftitle.notes;
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<note>
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<para>
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<function>strlen</function> devuelve el número de bytes en lugar del número
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de caracteres de un string.
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</para>
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</note>
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<note>
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<para>
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<function>strlen</function> devuelve &null; cuando se ejecuta sobre arrays, y
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emite un error de nivel <constant>E_WARNING</constant>.
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</para>
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</note>
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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>count</function></member>
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<member><function>grapheme_strlen</function></member>
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<member><function>iconv_strlen</function></member>
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<member><function>mb_strlen</function></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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