mirror of
https://github.com/php/doc-ja.git
synced 2026-03-25 23:52:16 +01:00
25e22b0ac8
git-svn-id: https://svn.php.net/repository/phpdoc/ja/trunk@185760 c90b9560-bf6c-de11-be94-00142212c4b1
73 lines
1.8 KiB
XML
73 lines
1.8 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
|
|
<!-- $Revision: 1.6 $ -->
|
|
<!-- EN-Revision: 1.9 Maintainer: hirokawa Status: ready -->
|
|
<!-- CREDITS: shimooka -->
|
|
<refentry id="function.key">
|
|
<refnamediv>
|
|
<refname>key</refname>
|
|
<refpurpose>連想配列からキーを取り出す</refpurpose>
|
|
</refnamediv>
|
|
<refsect1>
|
|
<title>説明</title>
|
|
<methodsynopsis>
|
|
<type>mixed</type><methodname>key</methodname>
|
|
<methodparam><type>array</type><parameter role="reference">array</parameter></methodparam>
|
|
</methodsynopsis>
|
|
<para>
|
|
<function>key</function>は、現在の配列位置における連想配列要素の
|
|
キーを返します。
|
|
</para>
|
|
<para>
|
|
<example>
|
|
<title><function>key</function> の例</title>
|
|
<programlisting role="php">
|
|
<![CDATA[
|
|
<?php
|
|
$array = array(
|
|
'fruit1' => 'apple',
|
|
'fruit2' => 'orange',
|
|
'fruit3' => 'grape',
|
|
'fruit4' => 'apple',
|
|
'fruit5' => 'apple');
|
|
|
|
// このループは値が "apple" である
|
|
// 全ての連想配列のキーを表示する
|
|
while ($fruit_name = current($array)) {
|
|
if ($fruit_name == 'apple') {
|
|
echo key($array).'<br />';
|
|
}
|
|
next($array);
|
|
}
|
|
?>
|
|
]]>
|
|
</programlisting>
|
|
</example>
|
|
</para>
|
|
<para>
|
|
<function>current</function>,
|
|
<function>next</function>も参照ください。
|
|
</para>
|
|
</refsect1>
|
|
</refentry>
|
|
|
|
<!-- Keep this comment at the end of the file
|
|
Local variables:
|
|
mode: sgml
|
|
sgml-omittag:t
|
|
sgml-shorttag:t
|
|
sgml-minimize-attributes:nil
|
|
sgml-always-quote-attributes:t
|
|
sgml-indent-step:1
|
|
sgml-indent-data:t
|
|
indent-tabs-mode:nil
|
|
sgml-parent-document:nil
|
|
sgml-default-dtd-file:"../../../../manual.ced"
|
|
sgml-exposed-tags:nil
|
|
sgml-local-catalogs:nil
|
|
sgml-local-ecat-files:nil
|
|
End:
|
|
vim600: syn=xml fen fdm=syntax fdl=2 si
|
|
vim: et tw=78 syn=sgml
|
|
vi: ts=1 sw=1
|
|
-->
|