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228 lines
4.7 KiB
XML
228 lines
4.7 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: f781803449007bb0e3a96c693e0eee067f7eb466 Maintainer: cmb Status: ready -->
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<!-- Reviewed: yes -->
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<!-- Rev-Revision: 8b54a4bf8cfd20acbd15519f13385b0af205df22 Reviewer: samesch -->
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<!-- CREDITS: tom -->
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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>Sortiert ein Array in "natürlicher Reihenfolge"</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>true</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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Diese Funktion implementiert einen Sortieralgorithmus, welcher
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alphanumerische Zeichenketten so ordnet, wie es auch ein Mensch unter
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Beibehaltung der Schlüssel-Wert-Zuordnung tun würde. Dies wird als
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"natürliche Reihenfolge" bezeichnet. Ein Beispiel für den Unterschied
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zwischen diesem und dem normalen Sortieralgorithmus eines Computers für
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Zeichenketten (verwendet in <function>sort</function>) ist weiter unten zu
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sehen.
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</para>
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¬e.sort-unstable;
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¬e.reset-index;
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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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Das Eingabe-Array.
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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.true.always;
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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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<para>
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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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&return.type.true;
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</tbody>
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</tgroup>
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</informaltable>
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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>
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Beispiele für die grundlegende Verwendung von <function>natsort</function>
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</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 "Standardsortierung\n";
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print_r($array1);
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natsort($array2);
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echo "\nSortieren in natürlicher Reihenfolge\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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Standardsortierung
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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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Sortieren in natürlicher Reihenfolge
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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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Detailliertere Informationen sind auf Martin Pools Seite
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<link xlink:href="&url.strnatcmp;">Natural Order String Comparison</link>
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zu finden.
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</para>
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</example>
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<example>
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<title>
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<function>natsort</function>-Beispiele, die potentielle Tücken demonstrieren
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</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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echo "Negative Zahlen\n";
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$negative = array('-5','3','-2','0','-1000','9','1');
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print_r($negative);
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natsort($negative);
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print_r($negative);
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echo "0-Füllung\n";
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$zeros = array('09', '8', '10', '009', '011', '0');
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print_r($zeros);
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natsort($zeros);
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print_r($zeros);
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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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Negative Zahlen
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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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0-Füllung
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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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]]>
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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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