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

 </div>

 <div class="refsect1 description" id="refsect1-memcached.getdelayed-description">
  <h3 class="title">Descripción</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Memcached::getDelayed</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter">$keys</code></span>, <span class="methodparam"><span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span> <code class="parameter">$with_cas</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong></span></span>, <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>): <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::getDelayed()</strong></span> envía una orden a memcache para
   leer varias claves que se especifican en el array <code class="parameter">keys</code>.
   El método no espera la respuesta y devuelve inmediatamente. Cuando se esté
   listo para leer los elementos, se llaman los métodos <span class="methodname"><a href="memcached.fetch.php" class="methodname">Memcached::fetch()</a></span> o
   <span class="methodname"><a href="memcached.fetchall.php" class="methodname">Memcached::fetchAll()</a></span>. Si <code class="parameter">with_cas</code>
   es <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> también se leerá el CAS.
  </p>
  <p class="para">
   En lugar de leer los resultados explícitamente, se puede especificar una
   <a href="memcached.callbacks.php" class="link">función de devolución de llamada de resultados</a> mediante
   el argumento <code class="parameter">value_cb</code>.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-memcached.getdelayed-parameters">
  <h3 class="title">Parámetros</h3>
  <p class="para">
   <dl>
    
     <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 se deben leer los CAS.
      </p>
     </dd>
    
    
     <dt><code class="parameter">value_cb</code></dt>
     <dd>
      <p class="para">
       Una función de devolución de llamada 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.getdelayed-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 examples" id="refsect1-memcached.getdelayed-examples">
  <h3 class="title">Ejemplos</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Ejemplo #1 Ejemplo con <span class="function"><strong>Memcached::getDelayed()</strong></span></strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$m </span><span style="color: #007700">= new </span><span style="color: #0000BB">Memcached</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">addServer</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">, </span><span style="color: #0000BB">11211</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">set</span><span style="color: #007700">(</span><span style="color: #DD0000">'int'</span><span style="color: #007700">, </span><span style="color: #0000BB">99</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">set</span><span style="color: #007700">(</span><span style="color: #DD0000">'string'</span><span style="color: #007700">, </span><span style="color: #DD0000">'a simple string'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">set</span><span style="color: #007700">(</span><span style="color: #DD0000">'array'</span><span style="color: #007700">, array(</span><span style="color: #0000BB">11</span><span style="color: #007700">, </span><span style="color: #0000BB">12</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getDelayed</span><span style="color: #007700">(array(</span><span style="color: #DD0000">'int'</span><span style="color: #007700">, </span><span style="color: #DD0000">'array'</span><span style="color: #007700">), </span><span style="color: #0000BB">true</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$m</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">fetchAll</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>El ejemplo anterior mostrará:</p></div>
    <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">array(2) {
  [0]=&gt;
  array(3) {
    [&quot;key&quot;]=&gt;
    string(3) &quot;int&quot;
    [&quot;value&quot;]=&gt;
    int(99)
    [&quot;cas&quot;]=&gt;
    float(2363)
  }
  [1]=&gt;
  array(3) {
    [&quot;key&quot;]=&gt;
    string(5) &quot;array&quot;
    [&quot;value&quot;]=&gt;
    array(2) {
      [0]=&gt;
      int(11)
      [1]=&gt;
      int(12)
    }
    [&quot;cas&quot;]=&gt;
    float(2365)
  }
}</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-memcached.getdelayed-seealso">
  <h3 class="title">Ver también</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="methodname"><a href="memcached.getdelayedbykey.php" class="methodname" rel="rdfs-seeAlso">Memcached::getDelayedByKey()</a> - Lee varios elementos en un servidor</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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