mirror of
https://github.com/php/doc-es.git
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Philippe DELENTE
146 lines
3.6 KiB
XML
146 lines
3.6 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: b0b19b66183b28cebc1ffbcf1e2b8763f9d9c7b3 Maintainer: PhilDaiguille Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="function.dir" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>dir</refname>
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<refpurpose>Devuelve una instancia de la clase Directory</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>Directory</type><type>false</type></type><methodname>dir</methodname>
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<methodparam><type>string</type><parameter>directory</parameter></methodparam>
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<methodparam choice="opt"><type class="union"><type>resource</type><type>null</type></type><parameter>context</parameter><initializer>&null;</initializer></methodparam>
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</methodsynopsis>
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<para>
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Un mecanismo pseudo-objeto permite la lectura de un directorio.
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El argumento <parameter>directory</parameter> es abierto.
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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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<variablelist>
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<varlistentry>
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<term><parameter>directory</parameter></term>
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<listitem>
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<para>
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El directorio a abrir
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>context</parameter></term>
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<listitem>
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¬e.context-support;
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</listitem>
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</varlistentry>
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</variablelist>
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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 una instancia de la clase <classname>Directory</classname>
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en caso de éxito, o &false; en caso de error.
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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>8.0.0</entry>
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<entry>
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<parameter>context</parameter> ahora es nullable.
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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>dir</function></title>
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<para>
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Observe cómo se verifica el valor de retorno de <function>Directory::read</function>
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en el siguiente ejemplo. Se comprueba si el valor es
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idéntico (igual y del mismo tipo que -- véase <link
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linkend="language.operators.comparison">operadores de comparación</link>
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para más detalles) &false; de lo contrario, cualquier entrada en el nombre se evaluaría
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a &false; causaría la interrupción del ciclo.
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</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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$d = dir("/etc/php5");
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echo "Manejador : " . $d->handle . "\n";
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echo "Ruta : " . $d->path . "\n";
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while (false !== ($entry = $d->read())) {
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echo $entry."\n";
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}
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$d->close();
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?>
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]]>
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</programlisting>
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&example.outputs.similar;
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<screen>
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<![CDATA[
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Manejador : Resource id #2
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Ruta : /etc/php5
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.
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..
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apache
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cgi
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cli
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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="notes">
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&reftitle.notes;
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<note>
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<para>
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El orden en el que las entradas del directorio son devueltas con el
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método read depende del sistema.
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</para>
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</note>
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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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