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git-svn-id: https://svn.php.net/repository/phpdoc/es/trunk@347644 c90b9560-bf6c-de11-be94-00142212c4b1
150 lines
3.8 KiB
XML
150 lines
3.8 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 52ae7dd55e62b1e7b6920499ed7448892e09bb48 Maintainer: seros Status: ready -->
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<!-- Reviewed: yes Maintainer: seros -->
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<refentry xml:id="function.array-diff" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>array_diff</refname>
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<refpurpose>Calcula la diferencia entre arrays</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>array</type><methodname>array_diff</methodname>
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<methodparam><type>array</type><parameter>array1</parameter></methodparam>
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<methodparam><type>array</type><parameter>array2</parameter></methodparam>
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<methodparam choice="opt"><type>array</type><parameter>...</parameter></methodparam>
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</methodsynopsis>
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<para>
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Compara <parameter>array1</parameter> con uno o más arrays y devuelve
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los valores de <parameter>array1</parameter> que no estén presentes en
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ninguno de los otros arrays.
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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>array1</parameter></term>
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<listitem>
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<para>
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El array a comparar
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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>array2</parameter></term>
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<listitem>
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<para>
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Un array con el que comparar
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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>...</parameter></term>
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<listitem>
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<para>
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Más arrays con los que comparar
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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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Devuelve un <type>array</type> que contiene todas las entradas de
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<parameter>array1</parameter> que no están presentes en ninguna de los otros arrays.
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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 de <function>array_diff</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$array1 = array("a" => "green", "red", "blue", "red");
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$array2 = array("b" => "green", "yellow", "red");
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$resultado = array_diff($array1, $array2);
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print_r($resultado);
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?>
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]]>
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</programlisting>
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<para>
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Todas las múltiples coincidencias en <varname>$array1</varname> serán
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tratadas de la misma manera. Esta será la salida:
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</para>
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<screen>
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<![CDATA[
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Array
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(
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[1] => blue
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)
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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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Dos elementos son considerandos iguales si y sólo si
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<literal>(string) $elem1 === (string) $elem2</literal>. En otras palabras:
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cuando la representación de string es la misma.
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<!-- TODO: example of it... -->
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</para>
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</note>
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<note>
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<para>
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Esta función sólo comprueba una dimensión de un array n-dimensional.
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Por supuesto, se pueden comprobar arrays de más dimensiones usando
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<literal>array_diff_assoc($array1[0], $array2[0]);</literal>.
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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>array_diff_assoc</function></member>
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<member><function>array_intersect</function></member>
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<member><function>array_intersect_assoc</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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