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<div id="zmqsocket.construct" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ZMQSocket::__construct</h1>
  <p class="verinfo">(PECL zmq &gt;= 0.5.0)</p><p class="refpurpose"><span class="refname">ZMQSocket::__construct</span> &mdash; <span class="dc-title">Constrói um novo ZMQSocket</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-zmqsocket.construct-description">
  <h3 class="title">Descrição</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>ZMQSocket::__construct</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="class.zmqcontext.php" class="type ZMQContext">ZMQContext</a></span> <code class="parameter">$context</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$type</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$persistent_id</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$on_new_socket</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span><br>)</div>

  <p class="para rdfs-comment">
   Constrói um objeto ZMQSocket. O parâmetro <code class="parameter">persistent_id</code> pode ser usado para alocar um socket
   persistente. Um socket persistente deve ser alocado a partir de um contexto persistente e permanece conectado ao longo de várias requisições.
   O parâmetro <code class="parameter">persistent_id</code> pode ser usado para chamar novamente o mesmo socket ao longo de várias requisições. O
   parâmetro <code class="parameter">on_new_socket</code> é chamado apenas quando uma nova instância de socket for criada.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-zmqsocket.construct-parameters">
  <h3 class="title">Parâmetros</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">context</code></dt>
     <dd>
      <p class="para">
       Um objeto ZMQContext.
      </p>
     </dd>
    
    
     <dt><code class="parameter">type</code></dt>
     <dd>
      <p class="para">
       O tipo do socket. Consulte as constantes <strong><code><a href="class.zmq.php#zmq.constants.socket-pair">ZMQ::SOCKET_<span class="replaceable">*</span></a></code></strong>.
      </p>
     </dd>
    
    
     <dt><code class="parameter">persistent_id</code></dt>
     <dd>
      <p class="para">
       Se o parâmetro <code class="parameter">persistent_id</code> for especificado, o socket será persistente ao longo de várias requisições.
       Se o parâmetro <code class="parameter">context</code> não for persistente, o socket volta para o modo não persistente.
      </p>
     </dd>
    
    
     <dt><code class="parameter">on_new_socket</code></dt>
     <dd>
      <p class="para">
       Uma finção de retorno que é executada quando uma nova instância de socket é criada. Essa função não é invocada
       se a conexão em uso for persistente e estiver sendo reusada.
      </p>
      <div class="methodsynopsis dc-description">
       <span class="methodname"><span class="replaceable">callback</span></span>(<span class="methodparam"><span class="type"><a href="class.zmqsocket.php" class="type ZMQSocket">ZMQSocket</a></span> <code class="parameter">$socket</code></span>, <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$persistent_id</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>)</div>

     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-zmqsocket.construct-errors">
  <h3 class="title">Erros/Exceções</h3>
  <p class="para">
   Lança um <span class="classname"><strong class="classname">ZMQSocketException</strong></span> em erros.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-zmqsocket.construct-examples">
 <h3 class="title">Exemplos</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Exemplo #1 Exemplo de <span class="function"><strong>ZMQSocket()</strong></span></strong></p>
    <div class="example-contents"><p>
     Utilizando um callback para conectar associar um socket
    </p></div>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">/*<br />  O socket é persistente e por isso essa função é chamada apanas na<br />  primeira requisição ao script.<br />*/<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">novo_socket_cb</span><span style="color: #007700">(</span><span style="color: #0000BB">ZMQSocket $socket</span><span style="color: #007700">, </span><span style="color: #0000BB">$id_persistente </span><span style="color: #007700">= </span><span style="color: #0000BB">null</span><span style="color: #007700">)<br />{<br />    if (</span><span style="color: #0000BB">$id_persistente </span><span style="color: #007700">=== </span><span style="color: #DD0000">'servidor'</span><span style="color: #007700">) {<br />        </span><span style="color: #0000BB">$socket</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">bind</span><span style="color: #007700">(</span><span style="color: #DD0000">"tcp://localhost:12122"</span><span style="color: #007700">);<br />    } else {<br />        </span><span style="color: #0000BB">$socket</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"tcp://localhost:12122"</span><span style="color: #007700">);<br />    }<br />}<br /><br /></span><span style="color: #FF8000">/* Aloca um novo contexto */<br /></span><span style="color: #0000BB">$contexto </span><span style="color: #007700">= new </span><span style="color: #0000BB">ZMQContext</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">/* Cria um novo socket */<br /></span><span style="color: #0000BB">$socket </span><span style="color: #007700">= </span><span style="color: #0000BB">$context</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getSocket</span><span style="color: #007700">(</span><span style="color: #0000BB">ZMQ</span><span style="color: #007700">::</span><span style="color: #0000BB">SOCKET_REP</span><span style="color: #007700">, </span><span style="color: #DD0000">'servidor'</span><span style="color: #007700">, </span><span style="color: #DD0000">'novo_socket_cb'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$mensagem </span><span style="color: #007700">= </span><span style="color: #0000BB">$socket</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">recv</span><span style="color: #007700">();<br />echo </span><span style="color: #DD0000">"Mensagem recebida: </span><span style="color: #007700">{</span><span style="color: #0000BB">$mensagem</span><span style="color: #007700">}</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

   </div>
  </p>
 </div>


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