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150 lines
3.7 KiB
XML
150 lines
3.7 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 761d72245071f89a626903c9bcdc6aaff1252d54 Maintainer: PhilDaiguille Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="function.hexdec" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>hexdec</refname>
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<refpurpose>Convierte de hexadecimal a decimal</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 class="union"><type>int</type><type>float</type></type><methodname>hexdec</methodname>
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<methodparam><type>string</type><parameter>hex_string</parameter></methodparam>
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</methodsynopsis>
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<para>
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Devuelve el valor decimal equivalente a la &string; hexadecimal representada
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por el argumento <parameter>hex_string</parameter>.
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<function>hexdec</function> convierte una &string; hexadecimal en un
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número decimal.
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</para>
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<para>
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<function>hexdec</function> ignorará cualquier carácter no hexadecimal
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que encuentre.
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A partir de PHP 7.4.0, proporcionar caracteres inválidos está deprecado.
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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>hex_string</parameter></term>
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<listitem>
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<para>
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La cadena hexadecimal a convertir
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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 representación decimal de <parameter>hex_string</parameter>
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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>7.4.0</entry>
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<entry>
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Pasar caracteres inválidos generará ahora una advertencia deprecada.
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El resultado siempre será calculado como si los caracteres inválidos
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no existieran.
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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>Ejemplo con <function>hexdec</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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var_dump(hexdec("ee")); // muestra "int(238)"
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var_dump(hexdec("a0")); // muestra "int(160)"
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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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<para>
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<example>
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<title><function>hexdec</function> con caracteres inválidos</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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var_dump(hexdec("See")); // muestra "int(238)"
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var_dump(hexdec("that")); // muestra "int(10)"
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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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La función puede convertir números que son demasiado grandes para
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caber en un tipo &integer;, en cuyo caso estos valores son devueltos
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como &float;.
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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>dechex</function></member>
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<member><function>bindec</function></member>
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<member><function>octdec</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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