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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">Request multiple items from a specific server</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-memcached.getdelayedbykey-description">
  <h3 class="title">Descrizione</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> is functionally equivalent to
   <span class="methodname"><a href="memcached.getdelayed.php" class="methodname">Memcached::getDelayed()</a></span>, except that the free-form
   <code class="parameter">server_key</code> can be used to map the
   <code class="parameter">keys</code> to a specific server.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-memcached.getdelayedbykey-parameters">
  <h3 class="title">Elenco dei parametri</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">server_key</code></dt>
     <dd>
      <p class="para">
       La chiave che identifica il server su cui salvare il valore. Invece di effettuare li&#039;hashing sulla chiave dell&#039;elemento, si effettua l&#039;hashing della chiave del server al momento di decidere con quale server memcached comunicare. Questo permette di raggruppare gli elementi correlati ad un singolo server ottenendo maggiore efficienza nelle operazioni multiple.
      </p>
     </dd>
    
    
     <dt><code class="parameter">keys</code></dt>
     <dd>
      <p class="para">
       Array of keys to request.
      </p>
     </dd>
    
    
     <dt><code class="parameter">with_cas</code></dt>
     <dd>
      <p class="para">
       Whether to request CAS token values also.
      </p>
     </dd>
    
    
     <dt><code class="parameter">value_cb</code></dt>
     <dd>
      <p class="para">
       The result callback or <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">Valori restituiti</h3>
  <p class="para">
   Restituisce <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> in caso di successo, <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> in caso di fallimento.
   Utilizzare <span class="methodname"><strong>Memcached:getResultCode()</strong></span> se necessario.
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-memcached.getdelayedbykey-seealso">
  <h3 class="title">Vedere anche:</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="methodname"><a href="memcached.getdelayed.php" class="methodname" rel="rdfs-seeAlso">Memcached::getDelayed()</a> - Request multiple items</span></li>
    <li><span class="methodname"><a href="memcached.fetch.php" class="methodname" rel="rdfs-seeAlso">Memcached::fetch()</a> - Fetch the next result</span></li>
    <li><span class="methodname"><a href="memcached.fetchall.php" class="methodname" rel="rdfs-seeAlso">Memcached::fetchAll()</a> - Fetch all the remaining results</span></li>
   </ul>
  </p>
 </div>


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