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?>
<div id="reflectionenum.isbacked" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ReflectionEnum::isBacked</h1>
  <p class="verinfo">(PHP 8 &gt;= 8.1.0)</p><p class="refpurpose"><span class="refname">ReflectionEnum::isBacked</span> &mdash; <span class="dc-title">Détermine si une énumération est une énumération avec valeur de base</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-reflectionenum.isbacked-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>ReflectionEnum::isBacked</strong></span>(): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   Une énumération avec valeur de base est une énumération qui a un équivalent scalaire natif, soit un
   <span class="type"><a href="language.types.string.php" class="type string">string</a></span> ou un <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>. Toutes les énumérations ne sont pas avec valeur de base.
  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-reflectionenum.isbacked-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <p class="para">Cette fonction ne contient aucun paramètre.</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-reflectionenum.isbacked-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
   <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> si l&#039;énumération a un support scalaire, sinon <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong>.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-reflectionenum.isbacked-examples">
  <h3 class="title">Exemples</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Exemple #1 Exemple de <span class="methodname"><strong>ReflectionEnum::isBacked()</strong></span></strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">enum </span><span style="color: #0000BB">Suit<br /></span><span style="color: #007700">{<br />    case </span><span style="color: #0000BB">Hearts</span><span style="color: #007700">;<br />    case </span><span style="color: #0000BB">Diamonds</span><span style="color: #007700">;<br />    case </span><span style="color: #0000BB">Clubs</span><span style="color: #007700">;<br />    case </span><span style="color: #0000BB">Spades</span><span style="color: #007700">;<br />}<br /><br />enum </span><span style="color: #0000BB">BackedSuit</span><span style="color: #007700">: </span><span style="color: #0000BB">string<br /></span><span style="color: #007700">{<br />    case </span><span style="color: #0000BB">Hearts </span><span style="color: #007700">= </span><span style="color: #DD0000">'H'</span><span style="color: #007700">;<br />    case </span><span style="color: #0000BB">Diamonds </span><span style="color: #007700">= </span><span style="color: #DD0000">'D'</span><span style="color: #007700">;<br />    case </span><span style="color: #0000BB">Clubs </span><span style="color: #007700">= </span><span style="color: #DD0000">'C'</span><span style="color: #007700">;<br />    case </span><span style="color: #0000BB">Spades </span><span style="color: #007700">= </span><span style="color: #DD0000">'S'</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">((new </span><span style="color: #0000BB">ReflectionEnum</span><span style="color: #007700">(</span><span style="color: #0000BB">Suit</span><span style="color: #007700">::class))-&gt;</span><span style="color: #0000BB">isBacked</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">((new </span><span style="color: #0000BB">ReflectionEnum</span><span style="color: #007700">(</span><span style="color: #0000BB">BackedSuit</span><span style="color: #007700">::class))-&gt;</span><span style="color: #0000BB">isBacked</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>L&#039;exemple ci-dessus va afficher :</p></div>
    <div class="example-contents screen">
<div class="annotation-interactive examplescode"><pre class="examplescode">bool(false)
bool(true)</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-reflectionenum.isbacked-seealso">
  <h3 class="title">Voir aussi</h3>
  <p class="para">
   <ul class="simplelist">
    <li><a href="language.enumerations.php" class="link">Enumerations</a></li>
    <li><span class="methodname"><a href="reflectionenum.getbackingtype.php" class="methodname" rel="rdfs-seeAlso">ReflectionEnum::getBackingType()</a> - Renvoie le type de base d'une &eacute;num&eacute;ration, si pr&eacute;sent</span></li>
   </ul>
  </p>
 </div>


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