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?>
<div id="function.socket-set-option" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">socket_set_option</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.3.0, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">socket_set_option</span> &mdash; <span class="dc-title">Define opções para o soquete</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.socket-set-option-description">
  <h3 class="title">Descrição</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>socket_set_option</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="class.socket.php" class="type Socket">Socket</a></span> <code class="parameter">$socket</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$level</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">$option</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><span class="type"><a href="language.types.array.php" class="type array">array</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.integer.php" class="type int">int</a></span></span> <code class="parameter">$value</code></span><br>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   A função <span class="function"><strong>socket_set_option()</strong></span> define a opção
   especificada pelo parâmetro <code class="parameter">option</code>, no
   nível do protocolo especificado em <code class="parameter">level</code>, para o valor apontado
   por <code class="parameter">value</code> no soquete informado em
   <code class="parameter">socket</code>.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.socket-set-option-parameters">
  <h3 class="title">Parâmetros</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">socket</code></dt>
     <dd>
      <p class="para">
       Uma instância de <span class="classname"><a href="class.socket.php" class="classname">Socket</a></span> criada com <span class="function"><a href="function.socket-create.php" class="function">socket_create()</a></span>
       ou <span class="function"><a href="function.socket-accept.php" class="function">socket_accept()</a></span>.
      </p>
     </dd>
    
    
     <dt><code class="parameter">level</code></dt>
     <dd>
      <p class="para">
       O parâmetro <code class="parameter">level</code> especifica o nível de
       protocolo no qual a opção reside. Por exemplo, para definir opções no
       nível do soquete, um parâmetro <code class="parameter">level</code> de
       <strong><code><a href="sockets.constants.php#constant.sol-socket">SOL_SOCKET</a></code></strong> seria usado. Outros níveis, como
       TCP, podem ser usados ​​especificando o número do protocolo desse nível.
       Os números de protocolo podem ser encontrados usando a
       função <span class="function"><a href="function.getprotobyname.php" class="function">getprotobyname()</a></span>.
      </p>
     </dd>
    
    
     <dt><code class="parameter">option</code></dt>
     <dd>
      <p class="para">
       As opções de soquete disponíveis são as mesmas da
       função <span class="function"><a href="function.socket-get-option.php" class="function">socket_get_option()</a></span>.
      </p>
     </dd>
    
    
     <dt><code class="parameter">value</code></dt>
     <dd>
      <p class="para">
       O valor da opção.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.socket-set-option-returnvalues">
  <h3 class="title">Valor Retornado</h3>
  <p class="para">
   Retorna <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> em caso de sucesso ou <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> em caso de falha.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.socket-set-option-changelog">
  <h3 class="title">Registro de Alterações</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>Versão</th>
      <th>Descrição</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
  <td>8.0.0</td>
  <td>
   O parâmetro <code class="parameter">socket</code> agora espera uma instância de <span class="classname"><a href="class.socket.php" class="classname">Socket</a></span>;
   anteriormente, um <span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span> era esperado.
  </td>
 </tr>

    </tbody>
   
  </table>

 </div>


 <div class="refsect1 examples" id="refsect1-function.socket-set-option-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>socket_set_option()</strong></span></strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$socket </span><span style="color: #007700">= </span><span style="color: #0000BB">socket_create</span><span style="color: #007700">(</span><span style="color: #0000BB">AF_INET</span><span style="color: #007700">, </span><span style="color: #0000BB">SOCK_STREAM</span><span style="color: #007700">, </span><span style="color: #0000BB">SOL_TCP</span><span style="color: #007700">);<br /><br />if (!</span><span style="color: #0000BB">is_resource</span><span style="color: #007700">(</span><span style="color: #0000BB">$socket</span><span style="color: #007700">)) {<br />    echo </span><span style="color: #DD0000">'Não foi possível criar o soquete: '</span><span style="color: #007700">. </span><span style="color: #0000BB">socket_strerror</span><span style="color: #007700">(</span><span style="color: #0000BB">socket_last_error</span><span style="color: #007700">()) . </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br />}<br /><br />if (!</span><span style="color: #0000BB">socket_set_option</span><span style="color: #007700">(</span><span style="color: #0000BB">$socket</span><span style="color: #007700">, </span><span style="color: #0000BB">SOL_SOCKET</span><span style="color: #007700">, </span><span style="color: #0000BB">SO_REUSEADDR</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">)) {<br />    echo </span><span style="color: #DD0000">'Não foi possível definir a opção no soquete: '</span><span style="color: #007700">. </span><span style="color: #0000BB">socket_strerror</span><span style="color: #007700">(</span><span style="color: #0000BB">socket_last_error</span><span style="color: #007700">()) . </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br />}<br /><br />if (!</span><span style="color: #0000BB">socket_bind</span><span style="color: #007700">(</span><span style="color: #0000BB">$socket</span><span style="color: #007700">, </span><span style="color: #DD0000">'127.0.0.1'</span><span style="color: #007700">, </span><span style="color: #0000BB">1223</span><span style="color: #007700">)) {<br />    echo </span><span style="color: #DD0000">'Não foi possível vincular ao soquete: '</span><span style="color: #007700">. </span><span style="color: #0000BB">socket_strerror</span><span style="color: #007700">(</span><span style="color: #0000BB">socket_last_error</span><span style="color: #007700">()) . </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">$rval </span><span style="color: #007700">= </span><span style="color: #0000BB">socket_get_option</span><span style="color: #007700">(</span><span style="color: #0000BB">$socket</span><span style="color: #007700">, </span><span style="color: #0000BB">SOL_SOCKET</span><span style="color: #007700">, </span><span style="color: #0000BB">SO_REUSEADDR</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">$rval </span><span style="color: #007700">=== </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br />    echo </span><span style="color: #DD0000">'Não foi possível obter a opção do soquete: '</span><span style="color: #007700">. </span><span style="color: #0000BB">socket_strerror</span><span style="color: #007700">(</span><span style="color: #0000BB">socket_last_error</span><span style="color: #007700">()) . </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br />} else if (</span><span style="color: #0000BB">$rval </span><span style="color: #007700">!== </span><span style="color: #0000BB">0</span><span style="color: #007700">) {<br />    echo </span><span style="color: #DD0000">'SO_REUSEADDR está definida no soquete !' </span><span style="color: #007700">. </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

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


 <div class="refsect1 seealso" id="refsect1-function.socket-set-option-seealso">
  <h3 class="title">Veja Também</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.socket-create.php" class="function" rel="rdfs-seeAlso">socket_create()</a> - Cria um soquete (ponto de extremidade para comuni&ccedil;&atilde;o)</span></li>
    <li><span class="function"><a href="function.socket-bind.php" class="function" rel="rdfs-seeAlso">socket_bind()</a> - Vincula um nome a um soquete</span></li>
    <li><span class="function"><a href="function.socket-strerror.php" class="function" rel="rdfs-seeAlso">socket_strerror()</a> - Retorna uma string descrevendo um erro no soquete</span></li>
    <li><span class="function"><a href="function.socket-last-error.php" class="function" rel="rdfs-seeAlso">socket_last_error()</a> - Retorna o &uacute;ltimo erro no soquete</span></li>
    <li><span class="function"><a href="function.socket-get-option.php" class="function" rel="rdfs-seeAlso">socket_get_option()</a> - Obt&eacute;m op&ccedil;&otilde;es para o soquete</span></li>
   </ul>
  </p>
 </div>


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