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193 lines
5.7 KiB
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193 lines
5.7 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 2e60c5134e7a847c99f81eb3f7ecee1f5efeeace Maintainer: PhilDaiguille Status: ready -->
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<!-- Reviewed: yes -->
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<refentry xml:id="function.array-udiff-uassoc" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>array_udiff_uassoc</refname>
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<refpurpose>Calcula la diferencia entre dos arrays asociativos, compara los datos y los índices con una función de retorno</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_udiff_uassoc</methodname>
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<methodparam><type>array</type><parameter>array</parameter></methodparam>
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<methodparam rep="repeat"><type>array</type><parameter>arrays</parameter></methodparam>
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<methodparam><type>callable</type><parameter>value_compare_func</parameter></methodparam>
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<methodparam><type>callable</type><parameter>key_compare_func</parameter></methodparam>
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</methodsynopsis>
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<para>
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Calcula la diferencia entre dos arrays asociativos, compara los datos y los índices con una función de retorno.
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</para>
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<para>
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Se debe tener en cuenta que las claves se utilizan en las comparaciones, a diferencia de
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<function>array_diff</function> y <function>array_udiff</function>.
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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>array</parameter></term>
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<listitem>
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<para>
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El primer array.
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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>arrays</parameter></term>
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<listitem>
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<para>
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Arrays 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>value_compare_func</parameter></term>
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<listitem>
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&sort.callback.description;
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&sort.callback.description.presort;
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>key_compare_func</parameter></term>
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<listitem>
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<para>
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La comparación de las claves (índices) se realiza mediante la función de retorno
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<parameter>key_compare_func</parameter>. Este comportamiento difiere del de
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<function>array_udiff_assoc</function>, ya que esta última utiliza una función interna
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para comparar los índices.
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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 &array; que contiene todas las claves del array
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<parameter>array</parameter> que no están presentes en
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ningún otro argumento.
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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 con <function>array_udiff_uassoc</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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class cr {
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private $priv_member;
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function __construct($val)
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{
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$this->priv_member = $val;
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}
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static function comp_func_cr($a, $b)
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{
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if ($a->priv_member === $b->priv_member) return 0;
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return ($a->priv_member > $b->priv_member)? 1:-1;
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}
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static function comp_func_key($a, $b)
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{
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if ($a === $b) return 0;
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return ($a > $b)? 1:-1;
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}
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}
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$a = array("0.1" => new cr(9), "0.5" => new cr(12), 0 => new cr(23), 1=> new cr(4), 2 => new cr(-15),);
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$b = array("0.2" => new cr(9), "0.5" => new cr(22), 0 => new cr(3), 1=> new cr(4), 2 => new cr(-15),);
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$result = array_udiff_uassoc($a, $b, array("cr", "comp_func_cr"), array("cr", "comp_func_key"));
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print_r($result);
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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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Array
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(
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[0.1] => cr Object
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(
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[priv_member:cr:private] => 9
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)
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[0.5] => cr Object
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(
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[priv_member:cr:private] => 12
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)
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[0] => cr Object
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(
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[priv_member:cr:private] => 23
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)
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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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<simpara>
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En nuestro ejemplo, se observa que el par <literal>"1" => new cr(4)</literal>
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está presente en ambos arrays y, por lo tanto, ausente del array resultante.
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Se debe tener en cuenta que se deben proporcionar dos funciones de retorno.
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</simpara>
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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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<simpara>
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Se debe tener en cuenta que esta función solo verifica una dimensión de un array
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multidimensional. Por supuesto, se puede probar una dimensión
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particular utilizando, por ejemplo,
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<literal>array_udiff_uassoc($array1[0], $array2[0], "data_compare_func",
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"key_compare_func");</literal>.
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</simpara>
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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</function></member>
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<member><function>array_diff_assoc</function></member>
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<member><function>array_udiff</function></member>
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<member><function>array_udiff_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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<member><function>array_uintersect</function></member>
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<member><function>array_uintersect_assoc</function></member>
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<member><function>array_uintersect_uassoc</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-indent-step:1
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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-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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