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?>
<div id="control-structures.break" class="sect1">
 <h2 class="title">break</h2>
 <p class="verinfo">(PHP 4, PHP 5, PHP 7, PHP 8)</p>
 <p class="simpara">
  <code class="literal">break</code>は、現在実行中の
  <code class="literal">for</code>, <code class="literal">foreach</code>,
  <code class="literal">while</code>, <code class="literal">do-while</code>,
  <code class="literal">switch</code> 構造の実行を終了します。
 </p>
 <p class="simpara">
  <code class="literal">break</code> では、オプションの引数で
  ネストしたループ構造を抜ける数を指定することができます。
  この引数のデフォルトは <code class="literal">1</code> で、直近のループ構造からだけ抜けます。
 </p>
 <p class="para">
  <div class="informalexample">
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$arr </span><span style="color: #007700">= array(</span><span style="color: #DD0000">'one'</span><span style="color: #007700">, </span><span style="color: #DD0000">'two'</span><span style="color: #007700">, </span><span style="color: #DD0000">'three'</span><span style="color: #007700">, </span><span style="color: #DD0000">'four'</span><span style="color: #007700">, </span><span style="color: #DD0000">'stop'</span><span style="color: #007700">, </span><span style="color: #DD0000">'five'</span><span style="color: #007700">);<br />foreach (</span><span style="color: #0000BB">$arr </span><span style="color: #007700">as </span><span style="color: #0000BB">$val</span><span style="color: #007700">) {<br />    if (</span><span style="color: #0000BB">$val </span><span style="color: #007700">== </span><span style="color: #DD0000">'stop'</span><span style="color: #007700">) {<br />        break;    </span><span style="color: #FF8000">/* ここでは、'break 1;'と書くこともできます */<br />    </span><span style="color: #007700">}<br />    echo </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$val</span><span style="color: #DD0000">&lt;br /&gt;\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">/* オプション引数を使用します */<br /><br /></span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">0</span><span style="color: #007700">;<br />while (++</span><span style="color: #0000BB">$i</span><span style="color: #007700">) {<br />    switch (</span><span style="color: #0000BB">$i</span><span style="color: #007700">) {<br />        case </span><span style="color: #0000BB">5</span><span style="color: #007700">:<br />            echo </span><span style="color: #DD0000">"At 5&lt;br /&gt;\n"</span><span style="color: #007700">;<br />            break </span><span style="color: #0000BB">1</span><span style="color: #007700">;  </span><span style="color: #FF8000">/* switch 構造のみを抜けます */<br />        </span><span style="color: #007700">case </span><span style="color: #0000BB">10</span><span style="color: #007700">:<br />            echo </span><span style="color: #DD0000">"At 10; quitting&lt;br /&gt;\n"</span><span style="color: #007700">;<br />            break </span><span style="color: #0000BB">2</span><span style="color: #007700">;  </span><span style="color: #FF8000">/* switch と while を抜けます */<br />        </span><span style="color: #007700">default:<br />            break;<br />    }<br />}<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

  </div>
 </p>

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