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187 lines
4.9 KiB
XML
187 lines
4.9 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 3ce14fde5cd5f15171a7ed2b64fdc7bd652c3842 Maintainer: jpberdejo Status: ready -->
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<refentry xml:id="function.array-diff-ukey" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>array_diff_ukey</refname>
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<refpurpose>Calcula la diferencia entre arrays usando una función de devolución de llamada en las keys para comparación</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_ukey</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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<methodparam><type>callable</type><parameter>key_compare_func</parameter></methodparam>
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</methodsynopsis>
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<para>
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Compara las keys del <parameter>array1</parameter> contra las keys
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del <parameter>array2</parameter> y retorna la diferencia.
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Esta función es como <function>array_diff</function> excepto que
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la comparación se hace en las keys en lugar de los valores.
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</para>
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<para>
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A diferencia de <function>array_diff_key</function> una función de devolución de llamada
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suministrada por el usuario se utiliza para la comparación de los índices, no una función interna.
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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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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 contra el cual 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 contra los cuales 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>key_compare_func</parameter></term>
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<listitem>
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<para>
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&return.callbacksort;
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</para>
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&callback.cmp;
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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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Retorna un <type>array</type> conteniendo todas las entradas del
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<parameter>array1</parameter> que no están presentes en ninguna de los otros array.
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</para>
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</refsect1>
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<!--
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<refsect1 role="errors">
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&reftitle.errors;
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&errors.no.unusual.errors;
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</refsect1>
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-->
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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_ukey</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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function key_compare_func($key1, $key2)
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{
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if ($key1 == $key2)
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return 0;
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else if ($key1 > $key2)
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return 1;
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else
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return -1;
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}
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$array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4);
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$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8);
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var_dump(array_diff_ukey($array1, $array2, 'key_compare_func'));
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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array(2) {
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["red"]=>
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int(2)
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["purple"]=>
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int(4)
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}
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]]>
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</screen>
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</example>
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</para>
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</refsect1>
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<refsect1 role="notes">
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&reftitle.notes;
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<note>
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<para>
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Esta función sólo comprueba una dimensión de un array n-dimensional.
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Por supuesto, se pueden comprobar dimensiones más profundas mediante
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<literal>array_diff_ukey($array1[0], $array2[0], 'callback_func');</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</function></member>
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<member><function>array_udiff</function></member>
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<member><function>array_diff_assoc</function></member>
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<member><function>array_diff_uassoc</function></member>
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<member><function>array_udiff_assoc</function></member>
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<member><function>array_udiff_uassoc</function></member>
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<member><function>array_diff_key</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_intersect_uassoc</function></member>
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<member><function>array_intersect_key</function></member>
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<member><function>array_intersect_ukey</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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