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?>
<div id="memcached.getdelayedbykey" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Memcached::getDelayedByKey</h1>
  <p class="verinfo">(PECL memcached &gt;= 0.1.0)</p><p class="refpurpose"><span class="refname">Memcached::getDelayedByKey</span> &mdash; <span class="dc-title">Lee varios elementos en un servidor</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-memcached.getdelayedbykey-description">
  <h3 class="title">Descripción</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Memcached::getDelayedByKey</strong></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">$server_key</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter">$keys</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span> <code class="parameter">$with_cas</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong></span></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span></span> <code class="parameter">$value_cb</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.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>Memcached::getDelayedByKey()</strong></span> es funcionalmente equivalente
   a <span class="methodname"><a href="memcached.getdelayed.php" class="methodname">Memcached::getDelayed()</a></span>, pero la variable libre
   <code class="parameter">server_key</code> puede ser utilizada para dirigir
   la clave <code class="parameter">key</code> a un servidor específico.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-memcached.getdelayedbykey-parameters">
  <h3 class="title">Parámetros</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">server_key</code></dt>
     <dd>
      <p class="para">
       La clave que identifica el servidor donde almacenar o recuperar el valor. En lugar de calcular el hash sobre la clave real del elemento, se calcula el hash sobre la clave del servidor al decidir con qué servidor memcached comunicarse. Esto permite agrupar elementos relacionados en un solo servidor para mayor eficiencia con operaciones múltiples.
      </p>
     </dd>
    
    
     <dt><code class="parameter">keys</code></dt>
     <dd>
      <p class="para">
       Un array de claves a leer.
      </p>
     </dd>
    
    
     <dt><code class="parameter">with_cas</code></dt>
     <dd>
      <p class="para">
       Si también se deben leer los CAS.
      </p>
     </dd>
    
    
     <dt><code class="parameter">value_cb</code></dt>
     <dd>
      <p class="para">
       Una función de retrollamada de resultados, o <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-memcached.getdelayedbykey-returnvalues">
  <h3 class="title">Valores devueltos</h3>
  <p class="para">
   Esta función retorna <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> en caso de éxito o <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> si ocurre un error.
   Utilice <span class="methodname"><a href="memcached.getresultcode.php" class="methodname">Memcached::getResultCode()</a></span> si es necesario.
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-memcached.getdelayedbykey-seealso">
  <h3 class="title">Ver también</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="methodname"><a href="memcached.getdelayed.php" class="methodname" rel="rdfs-seeAlso">Memcached::getDelayed()</a> - Lee varios elementos</span></li>
    <li><span class="methodname"><a href="memcached.fetch.php" class="methodname" rel="rdfs-seeAlso">Memcached::fetch()</a> - Lee el siguiente resultado</span></li>
    <li><span class="methodname"><a href="memcached.fetchall.php" class="methodname" rel="rdfs-seeAlso">Memcached::fetchAll()</a> - Lee todos los dem&aacute;s elementos</span></li>
   </ul>
  </p>
 </div>


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