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<refnamediv>

<refname>bcdiv</refname>

<refpurpose>2つの任意精度数値で除算を行う</refpurpose>

</refnamediv>

<refsect1 role="description">

&reftitle.description;

<methodsynopsis>

<type>string</type><methodname>bcdiv</methodname>

<methodparam><type>string</type><parameter>num1</parameter></methodparam>

<methodparam><type>string</type><parameter>num2</parameter></methodparam>

<methodparam choice="opt"><type class="union"><type>int</type><type>null</type></type><parameter>scale</parameter><initializer>&null;</initializer></methodparam>

</methodsynopsis>

<para>

<parameter>num1</parameter> を

<parameter>num2</parameter> で除算します。

</para>

</refsect1>

<refsect1 role="parameters">

&reftitle.parameters;

<para>

<variablelist>

<varlistentry>

<term><parameter>num1</parameter></term>

<listitem>

<para>

被除数を表す文字列。

</para>

</listitem>

</varlistentry>

<varlistentry>

<term><parameter>num2</parameter></term>

<listitem>

<para>

割る数を表す文字列。

</para>

</listitem>

</varlistentry>

<xi:include xpointer="function.bcadd..parameters.scale" />

</variablelist>

</para>

</refsect1>

<refsect1 role="returnvalues">

&reftitle.returnvalues;

<para>

除算結果を文字列で返します。

<parameter>num2</parameter> が <literal>0</literal>

の場合は &null; を返します。

</para>

</refsect1>

<refsect1 role="errors">

<!-- Include standard ValueErrors for num1, num2, and scale, this includes the title -->

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<simpara>

この関数は、 <parameter>num2</parameter> が <literal>0</literal> である場合、

<exceptionname>DivisionByZeroError</exceptionname> 例外をスローします。

</simpara>

</refsect1>

<refsect1 role="changelog">

&reftitle.changelog;

<informaltable>

<tgroup cols="2">

<thead>

<row>

<entry>&Version;</entry>

<entry>&Description;</entry>

</row>

</thead>

<tbody>

<row>

<entry>8.0.0</entry>

<entry>

<parameter>scale</parameter> は、nullable になりました。

</entry>

</row>

</tbody>

</tgroup>

</informaltable>

</refsect1>

<refsect1 role="examples">

&reftitle.examples;

<example>

<title><function>bcdiv</function> の例</title>

<programlisting role="php">

<![CDATA[

<?php

echo bcdiv('105', '6.55957', 3); // 16.007

?>

]]>

</programlisting>

</example>

</refsect1>

<refsect1 role="seealso">

&reftitle.seealso;

<para>

<simplelist>

<member><function>bcmul</function></member>

<member><methodname>BcMath\Number::div</methodname></member>

</simplelist>

</para>

</refsect1>

</refentry>

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