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203 lines
5.4 KiB
XML
203 lines
5.4 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 4d17b7b4947e7819ff5036715dd706be87ae4def Maintainer: andresdzphp Status: ready -->
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<!-- Reviewed: yes Maintainer: seros -->
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<reference xml:id="class.splfixedarray" role="class" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude">
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<title>La clase SplFixedArray</title>
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<titleabbrev>SplFixedArray</titleabbrev>
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<partintro>
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<!-- {{{ splfixedarray intro -->
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<section xml:id="splfixedarray.intro">
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&reftitle.intro;
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<para>
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la clase SplFixedArray proporciona la funcionalidad principal de un array. La
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principal diferencia entre SplFixedArray y un array normal de PHP es que
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la clase SplFixedArray es de longitud fija y sólo permite enteros dentro del
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rango de índices. La ventaja es que usa menos memoría que un
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<type>array</type> estándar.
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</para>
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</section>
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<!-- }}} -->
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<section xml:id="splfixedarray.synopsis">
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&reftitle.classsynopsis;
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<!-- {{{ Synopsis -->
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<classsynopsis class="class">
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<ooclass>
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<classname>SplFixedArray</classname>
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</ooclass>
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<oointerface>
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<modifier>implements</modifier>
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<interfacename>IteratorAggregate</interfacename>
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</oointerface>
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<oointerface>
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<interfacename>ArrayAccess</interfacename>
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</oointerface>
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<oointerface>
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<interfacename>Countable</interfacename>
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</oointerface>
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<oointerface>
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<interfacename>JsonSerializable</interfacename>
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</oointerface>
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<classsynopsisinfo role="comment">&Methods;</classsynopsisinfo>
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<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.splfixedarray')/db:refentry/db:refsect1[@role='description']/descendant::db:constructorsynopsis[@role='SplFixedArray'])">
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<xi:fallback/>
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</xi:include>
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<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.splfixedarray')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[@role='SplFixedArray'])">
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<xi:fallback/>
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</xi:include>
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</classsynopsis>
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</section>
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<section 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>8.2.0</entry>
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<entry>
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Se han añadido los métodos mágicos <methodname>SplFixedArray::__serialize</methodname> y
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<methodname>SplFixedArray::__unserialize</methodname>
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a <classname>SplFixedArray</classname>.
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</entry>
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</row>
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<row>
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<entry>8.1.0</entry>
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<entry>
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<classname>SplFixedArray</classname> ahora implementa
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<interfacename>JsonSerializable</interfacename>.
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</entry>
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</row>
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<row>
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<entry>8.0.0</entry>
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<entry>
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<classname>SplFixedArray</classname> ahora implementa
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<interfacename>IteratorAggregate</interfacename>.
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Anteriormente, se implementaba <interfacename>Iterator</interfacename> en su lugar.
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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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</section>
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<!-- {{{ splfixedarray examples -->
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<section xml:id="splfixedarray.examples">
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&reftitle.examples;
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<para>
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<example>
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<title>Ejemplo de uso <classname>SplFixedArray</classname></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// Inicializar el array con una longitud fija
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$array = new SplFixedArray(5);
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$array[1] = 2;
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$array[4] = "foo";
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var_dump($array[0]); // NULL
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var_dump($array[1]); // int(2)
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var_dump($array["4"]); // string(3) "foo"
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// Aumentar el tamaño del array a 10
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$array->setSize(10);
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$array[9] = "asdf";
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// Reducir el tamaño de un array a 2
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$array->setSize(2);
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// Las siguientes líneas lanzan una RuntimeException: Index invalid or out of range (Índice inválido o fuera de rango)
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try {
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var_dump($array["non-numeric"]);
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} catch(RuntimeException $re) {
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echo "RuntimeException: ".$re->getMessage()."\n";
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}
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try {
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var_dump($array[-1]);
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} catch(RuntimeException $re) {
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echo "RuntimeException: ".$re->getMessage()."\n";
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}
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try {
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var_dump($array[5]);
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} catch(RuntimeException $re) {
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echo "RuntimeException: ".$re->getMessage()."\n";
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}
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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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NULL
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int(2)
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string(3) "foo"
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RuntimeException: Index invalid or out of range
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RuntimeException: Index invalid or out of range
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RuntimeException: Index invalid or out of range
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]]>
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</screen>
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</example>
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</para>
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</section>
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<!-- }}} -->
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<!-- {{{ splfixedarray properties
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<section xml:id="splfixedarray.props">
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&reftitle.properties;
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<variablelist>
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<varlistentry xml:id="splfixedarray.props.name">
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<term><varname>name</varname></term>
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<listitem>
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<para>Prop description</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</section>
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}}} -->
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</partintro>
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&reference.spl.entities.splfixedarray;
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</reference>
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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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