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?>
<div id="memcached.addbykey" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Memcached::addByKey</h1>
  <p class="verinfo">(PECL memcached &gt;= 0.1.0)</p><p class="refpurpose"><span class="refname">Memcached::addByKey</span> &mdash; <span class="dc-title">Add an item under a new key on a specific server</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-memcached.addbykey-description">
  <h3 class="title">Descrizione</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Memcached::addByKey</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">$server_key</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$key</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$expiration</code><span class="initializer"> = 0</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::addByKey()</strong></span> is functionally equivalent to
   <span class="methodname"><a href="memcached.add.php" class="methodname">Memcached::add()</a></span>, except that the free-form
   <code class="parameter">server_key</code> can be used to map the
   <code class="parameter">key</code> to a specific server. This is useful if you need
   to keep a bunch of related keys on a certain server.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-memcached.addbykey-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">key</code></dt>
     <dd>
      <p class="para">
       La chiave in cui salvare il valore.
      </p>
     </dd>
    
    
     <dt><code class="parameter">value</code></dt>
     <dd>
      <p class="para">
       Il valore da salvare.
      </p>
     </dd>
    
    
     <dt><code class="parameter">expiration</code></dt>
     <dd>
      <p class="para">
       La data di scadenza, il default è 0. Vedere <a href="memcached.expiration.php" class="link">Date di scadenza</a> per ulteriori informazioni.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-memcached.addbykey-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.
   The <span class="methodname"><a href="memcached.getresultcode.php" class="methodname">Memcached::getResultCode()</a></span> will return
   <strong><code><a href="memcached.constants.php#memcached.constants.res-notstored">Memcached::RES_NOTSTORED</a></code></strong> if the key already exists.
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-memcached.addbykey-seealso">
  <h3 class="title">Vedere anche:</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="methodname"><a href="memcached.add.php" class="methodname" rel="rdfs-seeAlso">Memcached::add()</a> - Add an item under a new key</span></li>
    <li><span class="methodname"><a href="memcached.set.php" class="methodname" rel="rdfs-seeAlso">Memcached::set()</a> - Store an item</span></li>
    <li><span class="methodname"><a href="memcached.replace.php" class="methodname" rel="rdfs-seeAlso">Memcached::replace()</a> - Replace the item under an existing key</span></li>
   </ul>
  </p>
 </div>


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