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?>
<div id="eventlistener.setcallback" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">EventListener::setCallback</h1>
  <p class="verinfo">(PECL event &gt;= 1.2.6-beta)</p><p class="refpurpose"><span class="refname">EventListener::setCallback</span> &mdash; <span class="dc-title">Define função de retorno</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-eventlistener.setcallback-description">
  <h3 class="title">Descrição</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span>
   <span class="methodname"><strong>EventListener::setCallback</strong></span>(<span class="methodparam">
    
    <span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$cb</code>
   </span>, <span class="methodparam">
    
    <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$arg</code>
    <span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span>
   </span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>

  <p class="para rdfs-comment">
   Ajusta a função de retorno do ouvinte de conexão de evento e, opcionalmente,
   o argumento da função de retorno.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-eventlistener.setcallback-parameters">
  <h3 class="title">Parâmetros</h3>
  <dl>
   
    <dt>
     <code class="parameter">cb</code>
    </dt>
    <dd>
     <p class="para">
      A nova função de retorno para novas conexões. Ignorado se <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>.
     </p>
     <p class="para">
      Deve corresponder ao seguinte protótipo:
     </p>
     <div class="methodsynopsis dc-description">
      <span class="methodname"><strong>callback</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam">
       
       <span class="type"><a href="class.eventlistener.php" class="type EventListener">EventListener</a></span> <code class="parameter">$listener</code>
       <span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span>
      </span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam">
       
       <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$fd</code>
       <span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span>
      </span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam">
       
       <span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter">$address</code>
       <span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span>
      </span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam">
       
       <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$arg</code>
       <span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span>
      </span><br>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>

     <dl>
      
       <dt>
        <code class="parameter">listener</code>
       </dt>
       <dd>
        <p class="para">
         O
         objeto
         <span class="classname"><a href="class.eventlistener.php" class="classname">EventListener</a></span>
        </p>
       </dd>
      
      
       <dt>
        <code class="parameter">fd</code>
       </dt>
       <dd>
        <p class="para">
         O descritor de arquivo ou um recurso associado ao ouvinte.
        </p>
       </dd>
      
      
       <dt>
        <code class="parameter">address</code>
       </dt>
       <dd>
        <p class="para">
         Array de dois elementos: endereço IP e a
         porta do
         <em>servidor</em>.
        </p>
       </dd>
      
      
       <dt>
        <code class="parameter">arg</code>
       </dt>
       <dd>
        <p class="para">
         Dados personalizados do usuário anexados à função de retorno.
        </p>
       </dd>
      
     </dl>
    </dd>
   
   
    <dt>
     <code class="parameter">arg</code>
    </dt>
    <dd>
     <p class="para">
      Dados personalizados do usuário anexados à função de retorno. Ignorado se <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>.
     </p>
    </dd>
   
  </dl>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-eventlistener.setcallback-returnvalues">
  <h3 class="title">Valor Retornado</h3>
  <p class="para">
   Nenhum valor é retornado.
  </p>
 </div>

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