mirror of
https://github.com/php/doc-ja.git
synced 2026-04-24 00:18:15 +02:00
Yoshinari Takaoka
def02cf418
Cf. <https://github.com/php/doc-en/pull/289>. git-svn-id: https://svn.php.net/repository/phpdoc/ja/trunk@352198 c90b9560-bf6c-de11-be94-00142212c4b1
124 lines
3.5 KiB
XML
124 lines
3.5 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 0c9c2dd669fe9395eaa73d487fbd160f9057429a Maintainer: iwamot Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="function.intdiv" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>intdiv</refname>
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<refpurpose>整数値の除算</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>int</type><methodname>intdiv</methodname>
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<methodparam><type>int</type><parameter>num1</parameter></methodparam>
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<methodparam><type>int</type><parameter>num2</parameter></methodparam>
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</methodsynopsis>
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<para>
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<parameter>num1</parameter> を <parameter>num2</parameter> で割った整数商を返します。
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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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<variablelist>
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<varlistentry>
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<term><parameter>num1</parameter></term>
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<listitem>
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<para>
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割られる数。
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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>num2</parameter></term>
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<listitem>
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<para>
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<parameter>num1</parameter> を割る数。
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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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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<parameter>num1</parameter> を <parameter>num2</parameter> で割った整数商。
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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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<parameter>num2</parameter> が <literal>0</literal> の場合、<classname>DivisionByZeroError</classname>
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例外がスローされます。<parameter>num1</parameter> が <constant>PHP_INT_MIN</constant>
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で <parameter>num2</parameter> が <literal>-1</literal> の場合、
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<classname>ArithmeticError</classname> 例外がスローされます。
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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>intdiv</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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var_dump(intdiv(3, 2));
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var_dump(intdiv(-3, 2));
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var_dump(intdiv(3, -2));
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var_dump(intdiv(-3, -2));
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var_dump(intdiv(PHP_INT_MAX, PHP_INT_MAX));
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var_dump(intdiv(PHP_INT_MIN, PHP_INT_MIN));
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var_dump(intdiv(PHP_INT_MIN, -1));
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var_dump(intdiv(1, 0));
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?>
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]]>
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</programlisting>
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<screen>
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<![CDATA[
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int(1)
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int(-1)
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int(-1)
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int(1)
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int(1)
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int(1)
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Fatal error: Uncaught ArithmeticError: Division of PHP_INT_MIN by -1 is not an integer in %s on line 8
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Fatal error: Uncaught DivisionByZeroError: Division by zero in %s on line 9
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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><link linkend="language.operators.arithmetic"><literal>/</literal></link> - 浮動小数点数値の除算</member>
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<member><link linkend="language.operators.arithmetic"><literal>%</literal></link> - 整数値の剰余</member>
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<member><function>fmod</function> - 浮動小数点数値の剰余</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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