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<div id="dateperiod.getrecurrences" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">DatePeriod::getRecurrences</h1>
  <p class="verinfo">(PHP 7 &gt;= 7.2.17/7.3.4, PHP 8)</p><p class="refpurpose"><span class="refname">DatePeriod::getRecurrences</span> &mdash; <span class="dc-title">繰り返しの数を取得する</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-dateperiod.getrecurrences-description">
  <h3 class="title">説明</h3>
  <p class="para">オブジェクト指向型</p>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>DatePeriod::getRecurrences</strong></span>(): <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></div>

  <p class="para rdfs-comment">
   繰り返しの数を取得します。
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-dateperiod.getrecurrences-parameters">
  <h3 class="title">パラメータ</h3>
  <p class="para">この関数にはパラメータはありません。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-dateperiod.getrecurrences-returnvalues">
  <h3 class="title">戻り値</h3>
  <p class="para">
   <span class="classname"><a href="class.dateperiod.php" class="classname">DatePeriod</a></span> のコンストラクタの
   <code class="literal">$recurrences</code> に明示的に渡すことで設定した
   繰り返しの数を返します。設定されていない場合、<strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong> を返します。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-dateperiod.getrecurrences-examples">
  <h3 class="title">例</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>例1 <span class="methodname"><strong>DatePeriod::getRecurrences()</strong></span> が異なる値を返す例</strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$start </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateTime</span><span style="color: #007700">(</span><span style="color: #DD0000">'2018-12-31 00:00:00'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$end   </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateTime</span><span style="color: #007700">(</span><span style="color: #DD0000">'2021-12-31 00:00:00'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$interval </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">(</span><span style="color: #DD0000">'P1M'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$recurrences </span><span style="color: #007700">= </span><span style="color: #0000BB">5</span><span style="color: #007700">;<br /></span><span style="color: #FF8000">// コンストラクタで明示的に繰り返し回数を設定<br /></span><span style="color: #0000BB">$period </span><span style="color: #007700">= new </span><span style="color: #0000BB">DatePeriod</span><span style="color: #007700">(</span><span style="color: #0000BB">$start</span><span style="color: #007700">, </span><span style="color: #0000BB">$interval</span><span style="color: #007700">, </span><span style="color: #0000BB">$recurrences</span><span style="color: #007700">, </span><span style="color: #0000BB">DatePeriod</span><span style="color: #007700">::</span><span style="color: #0000BB">EXCLUDE_START_DATE</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$period</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getRecurrences</span><span style="color: #007700">(), </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$period </span><span style="color: #007700">= new </span><span style="color: #0000BB">DatePeriod</span><span style="color: #007700">(</span><span style="color: #0000BB">$start</span><span style="color: #007700">, </span><span style="color: #0000BB">$interval</span><span style="color: #007700">, </span><span style="color: #0000BB">$recurrences</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$period</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getRecurrences</span><span style="color: #007700">(), </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$period </span><span style="color: #007700">= new </span><span style="color: #0000BB">DatePeriod</span><span style="color: #007700">(</span><span style="color: #0000BB">$start</span><span style="color: #007700">, </span><span style="color: #0000BB">$interval</span><span style="color: #007700">, </span><span style="color: #0000BB">$recurrences</span><span style="color: #007700">, </span><span style="color: #0000BB">DatePeriod</span><span style="color: #007700">::</span><span style="color: #0000BB">INCLUDE_END_DATE</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$period</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getRecurrences</span><span style="color: #007700">(), </span><span style="color: #DD0000">"\n\n"</span><span style="color: #007700">;<br /></span><span style="color: #FF8000">// コンストラクタで繰り返し回数を設定しない場合<br /></span><span style="color: #0000BB">$period </span><span style="color: #007700">= new </span><span style="color: #0000BB">DatePeriod</span><span style="color: #007700">(</span><span style="color: #0000BB">$start</span><span style="color: #007700">, </span><span style="color: #0000BB">$interval</span><span style="color: #007700">, </span><span style="color: #0000BB">$end</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$period</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getRecurrences</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">$period </span><span style="color: #007700">= new </span><span style="color: #0000BB">DatePeriod</span><span style="color: #007700">(</span><span style="color: #0000BB">$start</span><span style="color: #007700">, </span><span style="color: #0000BB">$interval</span><span style="color: #007700">, </span><span style="color: #0000BB">$end</span><span style="color: #007700">, </span><span style="color: #0000BB">DatePeriod</span><span style="color: #007700">::</span><span style="color: #0000BB">EXCLUDE_START_DATE</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$period</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getRecurrences</span><span style="color: #007700">());</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="annotation-interactive examplescode"><pre class="examplescode">5
5
5

NULL
NULL</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-dateperiod.getrecurrences-seealso">
  <h3 class="title">参考</h3>
  <ul class="simplelist">
   <li><a href="class.dateperiod.php#dateperiod.props.recurrences" class="link">DatePeriod::$recurrences</a></li>
  </ul>
 </div>


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