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git-svn-id: https://svn.php.net/repository/phpdoc/es/trunk@327677 c90b9560-bf6c-de11-be94-00142212c4b1
133 lines
3.3 KiB
XML
133 lines
3.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: ca01897d64baad43459268cfdb516baa6e7dfc95 Maintainer: lboshell Status: ready -->
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<refentry xml:id="function.dechex" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>dechex</refname>
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<refpurpose>Decimal a hexadecimal</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>dechex</methodname>
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<methodparam><type>int</type><parameter>number</parameter></methodparam>
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</methodsynopsis>
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<para>
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Devuelve una cadena que contiene una representación hexadecimal del argumento
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<parameter>number</parameter> dado.
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</para>
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<para>
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El mayor número que puede convertirse es
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<constant>PHP_INT_MAX</constant><literal> * 2 + 1</literal> (o
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<literal>-1</literal>): en plataformas de 32 bits, este será
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<literal>4294967295</literal> en decimal, cuyos resultados utilizando
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<function>dechex</function> devolverán <literal>ffffffff</literal>.
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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>number</parameter></term>
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<listitem>
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<para>
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Valor decimal a convertir.
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</para>
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<para>
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Aunque los tipos <type>integer</type> PHP tienen signo, la
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<function>dechex</function> los trata como enteros sin signo, de igual forma los enteros
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negativos serán tratados como si no tuvieran signo.
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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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Representación tipo cadena hexadecimal de <parameter>number</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>Ejemplo <function>dechex</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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echo dechex(10) . "\n";
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echo dechex(47);
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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
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2f
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]]>
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</screen>
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</example>
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</para>
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<para>
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<example>
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<title>Ejemplo de <function>dechex</function> con números enteros grandes</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// La salida siguiente asume una plataforma de 32-bit.
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// Tenga en cuenta que la salida es la misma para todos los valores.
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echo dechex(-1)."\n";
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echo dechex(PHP_INT_MAX * 2 + 1)."\n";
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echo dechex(pow(2, 32) - 1)."\n";
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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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ffffffff
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ffffffff
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ffffffff
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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><function>hexdec</function></member>
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<member><function>decbin</function></member>
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<member><function>decoct</function></member>
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<member><function>base_convert</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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