mirror of
https://github.com/php/doc-ja.git
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Yoshinari Takaoka
186796c4a1
git-svn-id: https://svn.php.net/repository/phpdoc/ja/trunk@348943 c90b9560-bf6c-de11-be94-00142212c4b1
125 lines
3.1 KiB
XML
125 lines
3.1 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 31ab1b9a07ee6fdfd09cafaf22efa1cf78b49798 Maintainer: takagi Status: ready -->
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<!-- Credits: mumumu -->
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<refentry xml:id="function.variant-sub" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>variant_sub</refname>
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<refpurpose>左の variant から右の variant を引き、その結果を返す</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>variant</type><methodname>variant_sub</methodname>
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<methodparam><type>mixed</type><parameter>left</parameter></methodparam>
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<methodparam><type>mixed</type><parameter>right</parameter></methodparam>
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</methodsynopsis>
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<para>
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<parameter>right</parameter> を <parameter>left</parameter> から引きます。
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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>left</parameter></term>
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<listitem>
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<para>
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左オペランド。
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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>right</parameter></term>
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<listitem>
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<para>
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右オペランド。
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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&com.variant-arith;
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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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<table>
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<title>Variant の減算規則</title>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>もし～なら</entry>
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<entry>このようにします</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>両者ともに文字列型</entry>
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<entry>減算</entry>
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</row>
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<row>
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<entry>一方が文字列型で、もう一方が文字</entry>
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<entry>減算</entry>
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</row>
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<row>
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<entry>一方が数値で、もう一方が文字列</entry>
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<entry>減算</entry>
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</row>
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<row>
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<entry>両者ともに数値</entry>
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<entry>減算</entry>
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</row>
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<row>
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<entry>どちらか一方が NULL</entry>
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<entry>NULL が返される</entry>
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</row>
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<row>
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<entry>両者ともに空の値</entry>
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<entry>空の文字列が返される</entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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</para>
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</refsect1>
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<refsect1 role="errors">
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&reftitle.errors;
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<para>
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失敗時に <classname>com_exception</classname> をスローします。
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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>variant_add</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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