<?php
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
$TOC = array();
$TOC_DEPRECATED = array();
$PARENTS = array();
include_once dirname(__FILE__) ."/toc/class.zmqcontext.inc";
$setup = array (
  'home' => 
  array (
    0 => 'index.php',
    1 => 'PHP Manual',
  ),
  'head' => 
  array (
    0 => 'UTF-8',
    1 => 'pt_BR',
  ),
  'this' => 
  array (
    0 => 'zmqcontext.construct.php',
    1 => 'ZMQContext::__construct',
    2 => 'Constr&oacute;i um novo objeto ZMQContext',
  ),
  'up' => 
  array (
    0 => 'class.zmqcontext.php',
    1 => 'ZMQContext',
  ),
  'prev' => 
  array (
    0 => 'class.zmqcontext.php',
    1 => 'ZMQContext',
  ),
  'next' => 
  array (
    0 => 'zmqcontext.getopt.php',
    1 => 'ZMQContext::getOpt',
  ),
  'alternatives' => 
  array (
  ),
  'source' => 
  array (
    'lang' => 'pt_BR',
    'path' => 'reference/zmq/zmqcontext/construct.xml',
  ),
  'history' => 
  array (
  ),
);
$setup["toc"] = $TOC;
$setup["toc_deprecated"] = $TOC_DEPRECATED;
$setup["parents"] = $PARENTS;
manual_setup($setup);

contributors($setup);

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

 </div>

 <div class="refsect1 description" id="refsect1-zmqcontext.construct-description">
  <h3 class="title">Descrição</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>ZMQContext::__construct</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$io_threads</code><span class="initializer"> = 1</span></span>, <span class="methodparam"><span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span> <code class="parameter">$is_persistent</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong></span></span>)</div>

  <p class="para rdfs-comment">
   Constrói um novo contexto ZMQ. O contexto é usado para inicializar os sockets. Um contexto persistente é necessário
   para inicializar sockets persistentes.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-zmqcontext.construct-parameters">
  <h3 class="title">Parâmetros</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">io_threads</code></dt>
     <dd>
      <p class="para">
       Número de threads de I/O no contexto.
      </p>
     </dd>
    
    
     <dt><code class="parameter">is_persistent</code></dt>
     <dd>
      <p class="para">
       Indica se o contexto é persistente. Um contexto persistente é armazenado
       ao longo de várias requisições e é um requisito para os sockets persistentes.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-zmqcontext.construct-errors">
  <h3 class="title">Erros/Exceções</h3>
  <p class="para">
   Lança um <span class="classname"><strong class="classname">ZMQContextException</strong></span> caso a inicialização do contexto falhe.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-zmqcontext.construct-examples">
 <h3 class="title">Exemplos</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Exemplo #1 Um exemplo de <span class="function"><strong>ZMQContext()</strong></span></strong></p>
    <div class="example-contents"><p>
     Constrói um novo contexto e aloca um socket de requisição a partir dele
    </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: #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">$contexto</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getSocket</span><span style="color: #007700">(</span><span style="color: #0000BB">ZMQ</span><span style="color: #007700">::</span><span style="color: #0000BB">SOCKET_REQ</span><span style="color: #007700">, </span><span style="color: #DD0000">'meu socket'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Conecta o socket */<br /></span><span style="color: #0000BB">$socket</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"tcp://exemplo.com:1234"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Envia uma requisição */<br /></span><span style="color: #0000BB">$socket</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">send</span><span style="color: #007700">(</span><span style="color: #DD0000">"Olá"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Recebe a resposta */<br /></span><span style="color: #0000BB">$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 /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

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


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