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https://github.com/php/doc-ja.git
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170 lines
3.6 KiB
XML
170 lines
3.6 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 4acad9b77f9422b44aa58266f5fe1585b5bb3fe5 Maintainer: hirokawa Status: ready -->
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<!-- CREDITS: shimooka -->
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<refentry xml:id="function.ksort" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>ksort</refname>
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<refpurpose>配列をキーで昇順にソートする</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>ksort</methodname>
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<methodparam><type>array</type><parameter role="reference">array</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>flags</parameter><initializer><constant>SORT_REGULAR</constant></initializer></methodparam>
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</methodsynopsis>
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<para>
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<parameter>array</parameter> をキーで昇順にソートします。
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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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入力の配列。
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</para>
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</listitem>
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</varlistentry>
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&sort.flags.parameter;
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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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<row>
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<entry>8.2.0</entry>
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<entry>
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<constant>SORT_REGULAR</constant> を使って数値形式の文字列の比較を行う際に、
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PHP 8 で標準になっているルールを使うようになりました。
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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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</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><function>ksort</function> の例</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$fruits = array("d"=>"lemon", "a"=>"orange", "b"=>"banana", "c"=>"apple");
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ksort($fruits);
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foreach ($fruits as $key => $val) {
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echo "$key = $val\n";
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}
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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a = orange
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b = banana
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c = apple
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d = lemon
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]]>
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</screen>
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</example>
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</para>
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<para>
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<example>
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<title>数値がキーの場合の <function>ksort</function> の振る舞い</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$a = [0 => 'First', 2 => 'Last', 1 => 'Middle'];
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var_dump($a);
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ksort($a);
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var_dump($a);
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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(3) {
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[0]=>
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string(5) "First"
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[2]=>
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string(4) "Last"
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[1]=>
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string(6) "Middle"
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}
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array(3) {
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[0]=>
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string(5) "First"
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[1]=>
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string(6) "Middle"
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[2]=>
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string(4) "Last"
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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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<simplelist>
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<member><function>sort</function></member>
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<member><function>krsort</function></member>
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<member>&seealso.array.sorting;</member>
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</simplelist>
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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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