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?>
<div id="backedenum.from" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">BackedEnum::from</h1>
  <p class="verinfo">(PHP 8 &gt;= 8.1.0)</p><p class="refpurpose"><span class="refname">BackedEnum::from</span> &mdash; <span class="dc-title">Belirtilen değeri sayılama nesnesine eşler</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-backedenum.from-description">
  <h3 class="title">Açıklama</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span>
   <span class="modifier">static</span>
   <span class="methodname"><strong>BackedEnum::from</strong></span>(<span class="methodparam"><span class="type"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span></span> <code class="parameter">$değer</code></span>): <span class="type">static</span></div>

  <p class="para rdfs-comment">
   <span class="methodname"><strong>from()</strong></span> yöntemi, <span class="type"><a href="language.types.string.php" class="type string">string</a></span> veya
   <span class="type"><a href="language.types.integer.php" class="type int">int</a></span> türünde bir değeri, varsa ilgili sayılama kılıfına
   eşler. Eşleşeceği kılıf tanımlı değilse <span class="classname"><a href="class.valueerror.php" class="classname">ValueError</a></span>
   istisnası yavrulanır.
  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-backedenum.from-parameters">
  <h3 class="title">Bağımsız Değişkenler</h3>
  <dl>
   
    <dt><code class="parameter">değer</code></dt>
    <dd>
     <p class="para">
      Sayılama kılıfına eşlenecek sayıl değer.
     </p>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-backedenum.from-returnvalues">
  <h3 class="title">Dönen Değerler</h3>
  <p class="para">
   Varsa sayılama kılıfı örneği döner.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-backedenum.from-examples">
  <h3 class="title">Örnekler</h3>
  <div class="example" id="example-1">
   <p><strong>Örnek 1 - Temel kullanım örneği</strong></p>
   <div class="example-contents"><p>
    Bu örnekte sayılama kılıflarının nasıl döndürüleceği gösterilmiştir.
   </p></div>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">enum </span><span style="color: #0000BB">Deste</span><span style="color: #007700">: </span><span style="color: #0000BB">string<br /></span><span style="color: #007700">{<br />    case </span><span style="color: #0000BB">Kupalar </span><span style="color: #007700">= </span><span style="color: #DD0000">'Ku'</span><span style="color: #007700">;<br />    case </span><span style="color: #0000BB">Karolar </span><span style="color: #007700">= </span><span style="color: #DD0000">'Ka'</span><span style="color: #007700">;<br />    case </span><span style="color: #0000BB">Sinekler </span><span style="color: #007700">= </span><span style="color: #DD0000">'S'</span><span style="color: #007700">;<br />    case </span><span style="color: #0000BB">Maçalar </span><span style="color: #007700">= </span><span style="color: #DD0000">'M'</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">$h </span><span style="color: #007700">= </span><span style="color: #0000BB">Deste</span><span style="color: #007700">::</span><span style="color: #0000BB">from</span><span style="color: #007700">(</span><span style="color: #DD0000">'M'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$h</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$b </span><span style="color: #007700">= </span><span style="color: #0000BB">Deste</span><span style="color: #007700">::</span><span style="color: #0000BB">from</span><span style="color: #007700">(</span><span style="color: #DD0000">'B'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>
Yukarıdaki örneğin çıktısı:</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">enum(Deste::Maçalar)
Fatal error: Uncaught ValueError: &quot;B&quot; is not a valid backing value for enum &quot;Deste&quot; in /file.php:15</pre>
</div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-backedenum.from-seealso">
  <h3 class="title">Ayrıca Bakınız</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="methodname"><a href="unitenum.cases.php" class="methodname" rel="rdfs-seeAlso">UnitEnum::cases()</a> - Bir sayılamadan kılıf listesi oluşturur</span></li>
    <li><span class="methodname"><a href="backedenum.tryfrom.php" class="methodname" rel="rdfs-seeAlso">BackedEnum::tryFrom()</a> - Belirtilen değeri sayılama nesnesine eşler, yoksa null d&ouml;ner</span></li>
   </ul>
  </p>
 </div>


</div><?php manual_footer($setup); ?>