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<div id="bcmath-number.mod" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">BcMath\Number::mod</h1>
  <p class="verinfo">(PHP 8 &gt;= 8.4.0)</p><p class="refpurpose"><span class="refname">BcMath\Number::mod</span> &mdash; <span class="dc-title">任意精度数値の剰余を取得する</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-bcmath-number.mod-description">
  <h3 class="title">説明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>BcMath\Number::mod</strong></span>(<span class="methodparam"><span class="type"><span class="type"><a href="class.bcmath-number.php" class="type BcMath\Number">BcMath\Number</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.integer.php" class="type int">int</a></span></span> <code class="parameter">$num</code></span>, <span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.integer.php" class="type int">int</a></span></span> <code class="parameter">$scale</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>): <span class="type"><a href="class.bcmath-number.php" class="type BcMath\Number">BcMath\Number</a></span></div>

  <p class="simpara">
   <var class="varname">$this</var> を <code class="parameter">num</code> で割った剰余を取得します。
   <code class="parameter">num</code> が <code class="literal">0</code> でない限り、 結果は <var class="varname">$this</var>
   と同じ符号になります。
  </p>
 </div>


 
 <div class="refsect1 parameters" id="refsect1-bcmath-number.mod-parameters">
  <h3 class="title">パラメータ</h3>
  <dl>
   
    <dt><code class="parameter">num</code></dt>
    <dd>
     <span class="simpara">
      除数を表す値。
     </span>
    </dd>
   
   
    <dt><code class="parameter">scale</code></dt>
    <dd>
     <span class="simpara">
      計算結果オブジェクトの <span class="property"><a href="class.bcmath-number.php#bcmath-number.props.scale">BcMath\Number::scale</a></span> を明示的に指定します。
      <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong> の場合、計算結果の <span class="property"><a href="class.bcmath-number.php#bcmath-number.props.scale">BcMath\Number::scale</a></span> は自動的に設定されます。
     </span>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-bcmath-number.mod-returnvalues">
  <h3 class="title">戻り値</h3>
  <p class="simpara">
   剰余オブジェクトを新しい <span class="classname"><a href="class.bcmath-number.php" class="classname">BcMath\Number</a></span> オブジェクトとして返します。
  </p>
  <p class="simpara">
   剰余オブジェクトの <span class="property"><a href="class.bcmath-number.php#bcmath-number.props.scale">BcMath\Number::scale</a></span> が自動的に設定される場合、剰余計算に使用する2つの数値のうち、
   大きい方の <span class="property"><a href="class.bcmath-number.php#bcmath-number.props.scale">BcMath\Number::scale</a></span> が使用されます。
  </p>
  
  <p class="simpara">
   つまり、2つの値の <span class="property"><a href="class.bcmath-number.php#bcmath-number.props.scale">BcMath\Number::scale</a></span> がそれぞれ <code class="literal">2</code> と <code class="literal">5</code> の場合、
   加算結果オブジェクトの <span class="property"><a href="class.bcmath-number.php#bcmath-number.props.scale">BcMath\Number::scale</a></span> は <code class="literal">5</code> になります。
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-bcmath-number.mod-errors">
  <h3 class="title">エラー / 例外</h3>
  
  <p class="para">
   このメソッドは、以下の場合に <span class="classname"><a href="class.valueerror.php" class="classname">ValueError</a></span> をスローします:
   <ul class="simplelist">
    <li><code class="parameter">num</code> が、BCMath で有効でない数値形式の文字列である場合</li>
    <li><code class="parameter">scale</code> が範囲外の値である場合</li>
   </ul>
  </p>
  
  <p class="simpara">
   このメソッドは、 <code class="parameter">num</code> が <code class="literal">0</code> である場合、
   <span class="exceptionname"><a href="class.divisionbyzeroerror.php" class="exceptionname">DivisionByZeroError</a></span> 例外をスローします。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-bcmath-number.mod-examples">
  <h3 class="title">例</h3>
  <div class="example" id="example-1">
   <p><strong>例1 <span class="methodname"><strong>BcMath\Number::mod()</strong></span> で <code class="parameter">scale</code> を指定しない例</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$number </span><span style="color: #007700">= new </span><span style="color: #0000BB">BcMath\Number</span><span style="color: #007700">(</span><span style="color: #DD0000">'8.3'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$ret1 </span><span style="color: #007700">= </span><span style="color: #0000BB">$number</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">mod</span><span style="color: #007700">(new </span><span style="color: #0000BB">BcMath\Number</span><span style="color: #007700">(</span><span style="color: #DD0000">'2.22'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">$ret2 </span><span style="color: #007700">= </span><span style="color: #0000BB">$number</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">mod</span><span style="color: #007700">(</span><span style="color: #DD0000">'8.3'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$ret3 </span><span style="color: #007700">= </span><span style="color: #0000BB">$number</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">mod</span><span style="color: #007700">(-</span><span style="color: #0000BB">5</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$number</span><span style="color: #007700">, </span><span style="color: #0000BB">$ret1</span><span style="color: #007700">, </span><span style="color: #0000BB">$ret2</span><span style="color: #007700">, </span><span style="color: #0000BB">$ret3</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>上の例の出力は以下となります。</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">object(BcMath\Number)#1 (2) {
  [&quot;value&quot;]=&gt;
  string(3) &quot;8.3&quot;
  [&quot;scale&quot;]=&gt;
  int(1)
}
object(BcMath\Number)#3 (2) {
  [&quot;value&quot;]=&gt;
  string(4) &quot;1.64&quot;
  [&quot;scale&quot;]=&gt;
  int(2)
}
object(BcMath\Number)#2 (2) {
  [&quot;value&quot;]=&gt;
  string(3) &quot;0.0&quot;
  [&quot;scale&quot;]=&gt;
  int(1)
}
object(BcMath\Number)#4 (2) {
  [&quot;value&quot;]=&gt;
  string(3) &quot;3.3&quot;
  [&quot;scale&quot;]=&gt;
  int(1)
}</pre>
</div>
   </div>
  </div>

  <div class="example" id="example-2">
   <p><strong>例2 <span class="methodname"><strong>BcMath\Number::mod()</strong></span> で <code class="parameter">scale</code> を指定する例</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$number </span><span style="color: #007700">= new </span><span style="color: #0000BB">BcMath\Number</span><span style="color: #007700">(</span><span style="color: #DD0000">'8.3'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$ret1 </span><span style="color: #007700">= </span><span style="color: #0000BB">$number</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">mod</span><span style="color: #007700">(new </span><span style="color: #0000BB">BcMath\Number</span><span style="color: #007700">(</span><span style="color: #DD0000">'2.22'</span><span style="color: #007700">), </span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$ret2 </span><span style="color: #007700">= </span><span style="color: #0000BB">$number</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">mod</span><span style="color: #007700">(</span><span style="color: #DD0000">'8.3'</span><span style="color: #007700">, </span><span style="color: #0000BB">3</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$ret3 </span><span style="color: #007700">= </span><span style="color: #0000BB">$number</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">mod</span><span style="color: #007700">(-</span><span style="color: #0000BB">5</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$number</span><span style="color: #007700">, </span><span style="color: #0000BB">$ret1</span><span style="color: #007700">, </span><span style="color: #0000BB">$ret2</span><span style="color: #007700">, </span><span style="color: #0000BB">$ret3</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>上の例の出力は以下となります。</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">object(BcMath\Number)#1 (2) {
  [&quot;value&quot;]=&gt;
  string(3) &quot;8.3&quot;
  [&quot;scale&quot;]=&gt;
  int(1)
}
object(BcMath\Number)#3 (2) {
  [&quot;value&quot;]=&gt;
  string(3) &quot;1.6&quot;
  [&quot;scale&quot;]=&gt;
  int(1)
}
object(BcMath\Number)#2 (2) {
  [&quot;value&quot;]=&gt;
  string(5) &quot;0.000&quot;
  [&quot;scale&quot;]=&gt;
  int(3)
}
object(BcMath\Number)#4 (2) {
  [&quot;value&quot;]=&gt;
  string(1) &quot;3&quot;
  [&quot;scale&quot;]=&gt;
  int(0)
}</pre>
</div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-bcmath-number.mod-seealso">
  <h3 class="title">参考</h3>
  <ul class="simplelist">
   <li><span class="function"><a href="function.bcmod.php" class="function" rel="rdfs-seeAlso">bcmod()</a> - 2 つの任意精度数値の剰余を取得する</span></li>
   <li><span class="methodname"><a href="bcmath-number.div.php" class="methodname" rel="rdfs-seeAlso">BcMath\Number::div()</a> - 任意精度数値の除算を行う</span></li>
   <li><span class="methodname"><a href="bcmath-number.divmod.php" class="methodname" rel="rdfs-seeAlso">BcMath\Number::divmod()</a> - 任意精度数値の商と剰余を取得する</span></li>
   <li><span class="methodname"><a href="bcmath-number.powmod.php" class="methodname" rel="rdfs-seeAlso">BcMath\Number::powmod()</a> - 任意精度数値のべき乗の、指定した数値による剰余</span></li>
  </ul>
 </div>


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