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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">Modifie les options de socket</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.socket-set-option-description">
  <h3 class="title">Description</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">
   <span class="function"><strong>socket_set_option()</strong></span> configure l&#039;option spécifiée par
   <code class="parameter">option</code>, au niveau de protocole
   <code class="parameter">level</code> à la valeur pointée par
   <code class="parameter">value</code> pour le socket spécifié par
   <code class="parameter">socket</code>.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.socket-set-option-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">socket</code></dt>
     <dd>
      <p class="para">
       Une instance de <span class="classname"><a href="class.socket.php" class="classname">Socket</a></span> créée par
       <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">
       Le paramètre <code class="parameter">level</code> spécifie la couche du
       protocole de l&#039;option. Par exemple, pour modifier une option de
       la couche socket, un niveau égal à <strong><code><a href="sockets.constants.php#constant.sol-socket">SOL_SOCKET</a></code></strong>
       va être utilisé. Les autres niveaux, comme TCP, peuvent être
       utilisés en spécifiant un numéro de protocole pour ce niveau.
       Les numéros de protocoles peuvent être utilisés en utilisant la fonction
       <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">
       Les options disponibles sont les mêmes que pour
       la fonction <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">
       La valeur de l&#039;option.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.socket-set-option-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
   Cette fonction retourne <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> en cas de succès ou <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> si une erreur survient.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.socket-set-option-changelog">
  <h3 class="title">Historique</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>Version</th>
      <th>Description</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
 <td>8.0.0</td>
 <td>
  <code class="parameter">socket</code> est désormais une instance de <span class="classname"><a href="class.socket.php" class="classname">Socket</a></span> ;
  auparavant, c&#039;était une <span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span>.
 </td>
</tr>

    </tbody>
   
  </table>

 </div>


 <div class="refsect1 examples" id="refsect1-function.socket-set-option-examples">
  <h3 class="title">Exemples</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Exemple #1 Exemple avec <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">'Impossible de créer le socket : '</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">$socket</span><span style="color: #007700">, </span><span style="color: #0000BB">SOL_SOCKET</span><span style="color: #007700">, </span><span style="color: #0000BB">SO_REUSEADDR</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">)) {<br />    echo </span><span style="color: #DD0000">'Impossible de définir l\'option du socket : '</span><span style="color: #007700">. </span><span style="color: #0000BB">socket_strerror</span><span style="color: #007700">(</span><span style="color: #0000BB">socket_last_error</span><span style="color: #007700">()) . </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br />}<br /><br />if (!</span><span style="color: #0000BB">socket_bind</span><span style="color: #007700">(</span><span style="color: #0000BB">$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">'Impossible de lier le socket : '</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">$rval </span><span style="color: #007700">=== </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br />    echo </span><span style="color: #DD0000">'Impossible de récupérer l\'option du socket : '</span><span style="color: #007700">. </span><span style="color: #0000BB">socket_strerror</span><span style="color: #007700">(</span><span style="color: #0000BB">socket_last_error</span><span style="color: #007700">()) . </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br />} else if (</span><span style="color: #0000BB">$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 est défini sur le socket !' </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">Voir aussi</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> - Cr&eacute;e un socket</span></li>
    <li><span class="function"><a href="function.socket-bind.php" class="function" rel="rdfs-seeAlso">socket_bind()</a> - Lie un nom &agrave; un socket</span></li>
    <li><span class="function"><a href="function.socket-strerror.php" class="function" rel="rdfs-seeAlso">socket_strerror()</a> - Retourne une cha&icirc;ne d&eacute;crivant un message d'erreur</span></li>
    <li><span class="function"><a href="function.socket-last-error.php" class="function" rel="rdfs-seeAlso">socket_last_error()</a> - Lit la derni&egrave;re erreur g&eacute;n&eacute;r&eacute;e par un socket</span></li>
    <li><span class="function"><a href="function.socket-get-option.php" class="function" rel="rdfs-seeAlso">socket_get_option()</a> - Lit les options du socket</span></li>
   </ul>
  </p>
 </div>


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