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259 lines
5.4 KiB
XML
259 lines
5.4 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 08e2e3465c29f5270454f7296fd2226790c72acd Maintainer: seros Status: ready -->
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<refentry xml:id="function.natsort" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>natsort</refname>
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<refpurpose>Ordena un array usando un algoritmo de "orden natural"</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>bool</type><methodname>natsort</methodname>
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<methodparam><type>array</type><parameter role="reference">array</parameter></methodparam>
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</methodsynopsis>
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<para>
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Esta función implementa un algoritmo de ordenación que ordena las cadenas alfanuméricas
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en la manera en que lo haría un humano mientras mantiene las asociaciones de clave/valor.
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Es descrito como "ordenación natural". Un ejemplo de la diferencia
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entre este algoritmo y los algoritmos de ordenación normales de computadora
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(usados en <function>sort</function>) se puede ver en el ejemplo de abajo.
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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 array de entrada.
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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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&return.success;
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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>5.2.10</entry>
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<entry>
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Las cadenas numéricas rellenadas con ceros (p.ej., '00005') ahora ignoran el relleno de 0.
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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>Ejemplos de <function>natsort</function> demostrando su uso básico</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$array1 = $array2 = array("img12.png", "img10.png", "img2.png", "img1.png");
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asort($array1);
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echo "Ordenación estándar\n";
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print_r($array1);
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natsort($array2);
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echo "\nOrdenación de orden natural\n";
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print_r($array2);
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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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Ordenación estándar
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Array
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(
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[3] => img1.png
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[1] => img10.png
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[0] => img12.png
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[2] => img2.png
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)
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Ordenación de orden natural
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Array
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(
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[3] => img1.png
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[2] => img2.png
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[1] => img10.png
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[0] => img12.png
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)
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]]>
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</screen>
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<para>
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Para más información véase: la página de Martin Pool <link
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xlink:href="&url.strnatcmp;">Natural Order String Comparison</link>.
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</para>
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</example>
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<example>
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<title>Ejemplos de <function>natsort</function> demostrando trampas potenciales</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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echo "Números negativos\n";
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$negativo = array('-5','3','-2','0','-1000','9','1');
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print_r($negativo);
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natsort($negativo);
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print_r($negativo);
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echo "Relleno de ceros\n";
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$ceros = array('09', '8', '10', '009', '011', '0');
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print_r($ceros);
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natsort($ceros);
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print_r($ceros);
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echo "Otros caracteres interfiriendo\n";
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$images_oops = array('image_1.jpg','image_12.jpg', 'image_21.jpg', 'image_4.jpg');
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print_r($images_oops);
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natsort($images_oops);
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print_r($images_oops);
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echo "Ordenar por claves\n";
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$smoothie = array('naranja' => 1, 'manzana' => 1, 'yogur' => 4, 'banana' => 4);
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print_r($smoothie);
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uksort( $smoothie, 'strnatcmp');
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print_r($smoothie);
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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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Números negativos
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Array
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(
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[0] => -5
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[1] => 3
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[2] => -2
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[3] => 0
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[4] => -1000
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[5] => 9
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[6] => 1
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)
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Array
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(
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[2] => -2
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[0] => -5
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[4] => -1000
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[3] => 0
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[6] => 1
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[1] => 3
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[5] => 9
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)
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Relleno de ceros
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Array
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(
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[0] => 09
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[1] => 8
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[2] => 10
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[3] => 009
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[4] => 011
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[5] => 0
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)
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Array
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(
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[5] => 0
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[1] => 8
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[3] => 009
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[0] => 09
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[2] => 10
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[4] => 011
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)
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Otros caracteres interfiriendo
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Array
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(
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[0] => image_1.jpg
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[1] => image_12.jpg
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[2] => image_21.jpg
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[3] => image_4.jpg
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)
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Array
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(
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[0] => image_1.jpg
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[3] => image_4.jpg
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[1] => image_12.jpg
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[2] => image_21.jpg
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)
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Ordenar por claves
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Array
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(
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[naranja] => 1
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[manzana] => 1
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[yogur] => 4
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[banana] => 4
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)
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Array
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(
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[banana] => 4
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[manzana] => 1
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[naranja] => 1
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[yogur] => 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="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>natcasesort</function></member>
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<member>&seealso.array.sorting;</member>
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<member><function>strnatcmp</function></member>
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<member><function>strnatcasecmp</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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