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<refentry xml:id="function.bcmod" xmlns="http://docbook.org/ns/docbook" xmlns:xi="http://www.w3.org/2001/XInclude">

<refnamediv>

<refname>bcmod</refname>

<refpurpose>Modulo zweier Zahlen mit beliebiger Genauigkeit</refpurpose>

</refnamediv>

<refsect1 role="description">

&reftitle.description;

<methodsynopsis>

<type>string</type><methodname>bcmod</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>

Liefert den Rest der Division von <parameter>num1</parameter> durch

<parameter>num2</parameter>.

Das Ergnis hat dasselbe Vorzeichen wie <parameter>num1</parameter>.

</para>

</refsect1>

<refsect1 role="parameters">

<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('function.bcadd')/db:refsect1[@role='parameters']/*)" />

</refsect1>

<refsect1 role="returnvalues">

&reftitle.returnvalues;

<para>

Gibt den Modulo als Zeichenkette zurück.

</para>

</refsect1>

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<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> ist jetzt nullbar.

</entry>

</row>

<row>

<entry>8.0.0</entry>

<entry>

Die Division durch <literal>0</literal> löst nun eine

<exceptionname>DivisionByZeroError</exceptionname>-Exception aus,

anstatt &null; zurückzugeben.

</entry>

</row>

<row>

<entry>7.2.0</entry>

<entry>

<parameter>num1</parameter> und <parameter>num2</parameter> werden

nicht länger zu einer Ganzzahl abgeschnitten, so dass nun das Verhalten

von <function>bcmod</function> eher <function>fmod</function> statt dem

<literal>%</literal> Operator entspricht.

</entry>

</row>

<row>

<entry>7.2.0</entry>

<entry>

Der Parameter <parameter>scale</parameter> wurde hinzugefügt.

</entry>

</row>

</tbody>

</tgroup>

</informaltable>

</refsect1><!-- }}} -->

<refsect1 role="examples">

&reftitle.examples;

<example>

<title><function>bcmod</function>-Beispiel</title>

<programlisting role="php">

<![CDATA[

<?php

bcscale(0);

echo bcmod( '5', '3'); // 2

echo bcmod( '5', '-3'); // 2

echo bcmod('-5', '3'); // -2

echo bcmod('-5', '-3'); // -2

?>

]]>

</programlisting>

</example>

<example>

<title><function>bcmod</function> mit Dezimalzahlen</title>

<programlisting role="php">

<![CDATA[

<?php

bcscale(1);

echo bcmod('5.7', '1.3'); // 0.5 von PHP 7.2.0 an; 0 zuvor

?>

]]>

</programlisting>

</example>

</refsect1>

<refsect1 role="seealso">

&reftitle.seealso;

<para>

<simplelist>

<member><function>bcdiv</function></member>

<member><function>bcdivmod</function></member>

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

</simplelist>

</para>

</refsect1>

</refentry>

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