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?>
<div id="class.closure" class="reference">

 <h1 class="title">A classe Closure</h1>
 

 <div class="partintro"><p class="verinfo">(PHP 5 &gt;= 5.3.0, PHP 7, PHP 8)</p>


  <div class="section" id="closure.intro">
   <h2 class="title">Introdução</h2>
   <p class="para">
    Classe usada para representar <a href="functions.anonymous.php" class="link">funções
    anônimas</a>.
   </p>

   <p class="para">
    Funções anônimas, produzem objetos desse tipo.
    Esta classe possui métodos que permitem
    ainda mais controle de funções anônimas após sua criação.
   </p>

   <p class="para">
    Além dos métodos listados aqui, a classe também possui o método
    <code class="literal">__invoke</code>. Para consistência com outras classes que
    implementam o <a href="language.oop5.magic.php#language.oop5.magic.invoke" class="link">invoque
    mágico</a>, já que esse método não é utilizado para chamar a função.
   </p>

  </div>


  <div class="section" id="closure.synopsis">
   <h2 class="title">Resumo da classe</h2>


   <div class="classsynopsis"><div class="classsynopsisinfo">
    
     <span class="modifier">final</span>
     <span class="modifier">class</span> <strong class="classname"><strong class="classname">Closure</strong></strong>
     {</div>

    <div class="classsynopsisinfo classsynopsisinfo_comment">/* Métodos */</div>
    <div class="constructorsynopsis dc-description">
   <span class="modifier">private</span> <span class="methodname"><a href="closure.construct.php" class="methodname">__construct</a></span>()</div>

    <div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="modifier">static</span> <span class="methodname"><a href="closure.bind.php" class="methodname">bind</a></span>(<span class="methodparam"><span class="type"><a href="class.closure.php" class="type Closure">Closure</a></span> <code class="parameter">$closure</code></span>, <span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.object.php" class="type object">object</a></span></span> <code class="parameter">$newThis</code></span>, <span class="methodparam"><span class="type"><span class="type"><a href="language.types.object.php" class="type object">object</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.null.php" class="type null">null</a></span></span> <code class="parameter">$newScope</code><span class="initializer"> = &quot;static&quot;</span></span>): <span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="class.closure.php" class="type Closure">Closure</a></span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="closure.bindto.php" class="methodname">bindTo</a></span>(<span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.object.php" class="type object">object</a></span></span> <code class="parameter">$newThis</code></span>, <span class="methodparam"><span class="type"><span class="type"><a href="language.types.object.php" class="type object">object</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.null.php" class="type null">null</a></span></span> <code class="parameter">$newScope</code><span class="initializer"> = &quot;static&quot;</span></span>): <span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="class.closure.php" class="type Closure">Closure</a></span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="closure.call.php" class="methodname">call</a></span>(<span class="methodparam"><span class="type"><a href="language.types.object.php" class="type object">object</a></span> <code class="parameter">$newThis</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">...$args</code></span>): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="modifier">static</span> <span class="methodname"><a href="closure.fromcallable.php" class="methodname">fromCallable</a></span>(<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$callback</code></span>): <span class="type"><a href="class.closure.php" class="type Closure">Closure</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="modifier">static</span> <span class="methodname"><a href="closure.getcurrent.php" class="methodname">getCurrent</a></span>(): <span class="type"><a href="class.closure.php" class="type Closure">Closure</a></span></div>

   }</div>


  </div>

  <div class="section">
   <h2 class="title">Registro de Alterações</h2>
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>Versão</th>
       <th>Descrição</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>8.4.0</td>
       <td>
        O resultado de <span class="methodname"><strong>Closure::__debugInfo()</strong></span> agora inclui o
        nome, a linha e o arquivo do closure.
       </td>
      </tr>

     </tbody>
    
   </table>

  </div>

 </div>

 




 




 




 




 




 





<h2>Índice</h2><ul class="chunklist chunklist_reference"><li><a href="closure.construct.php">Closure::__construct</a> — Construtor que desabilita a instancia&ccedil;&atilde;o</li><li><a href="closure.bind.php">Closure::bind</a> — Duplica uma closure com um objeto vinculado e um escopo de classe</li><li><a href="closure.bindto.php">Closure::bindTo</a> — Duplica a closure com um novo objeto vinculado e escopo de classe.</li><li><a href="closure.call.php">Closure::call</a> — Vincula e chama a closure</li><li><a href="closure.fromcallable.php">Closure::fromCallable</a> — Converte um cham&aacute;vel em uma closure</li><li><a href="closure.getcurrent.php">Closure::getCurrent</a> — Retorna o closure em execu&ccedil;&atilde;o no momento</li></ul>
</div>
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