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?>
<div id="function.apcu-add" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">apcu_add</h1>
  <p class="verinfo">(PECL apcu &gt;= 4.0.0)</p><p class="refpurpose"><span class="refname">apcu_add</span> &mdash; <span class="dc-title">
   Met en cache une nouvelle variable dans le dépôt de données
  </span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.apcu-add-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>apcu_add</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$key</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$var</code></span>, <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$ttl</code><span class="initializer"> = 0</span></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <div class="methodsynopsis dc-description"><span class="methodname"><strong>apcu_add</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter">$values</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$unused</code><span class="initializer"> = NULL</span></span>, <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$ttl</code><span class="initializer"> = 0</span></span>): <span class="type"><a href="language.types.array.php" class="type array">array</a></span></div>

  <p class="simpara">
   Met en cache une variable dans le dépôt de données, seulement si elle n&#039;a pas été déjà stockée.
  </p>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <span class="simpara">
    Contrairement à de nombreux autres mécanismes dans PHP, les variables stockées
    utilisant <span class="function"><strong>apcu_add()</strong></span> persisteront entre les requêtes (jusqu&#039;à ce
    que leurs valeurs soient retirées du cache).
   </span>
  </p></blockquote>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.apcu-add-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <dl>
   
    <dt><code class="parameter">key</code></dt>
    <dd>
     <span class="simpara">
      Stocke la variable en utilisant ce nom de clé. Chaque clé est unique dans le cache,
      essayer d&#039;utiliser <span class="function"><strong>apcu_add()</strong></span> pour stocker une donnée avec une
      valeur du paramètre <code class="parameter">key</code> déjà existante n&#039;écrasera pas la
      donnée existante mais retournera <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong>. (C&#039;est l&#039;unique différence entre
      les fonctions <span class="function"><strong>apcu_add()</strong></span> et <span class="function"><a href="function.apcu-store.php" class="function">apcu_store()</a></span>.)
     </span>
    </dd>
   
   
    <dt><code class="parameter">var</code></dt>
    <dd>
     <span class="simpara">
      La variable à stocker.
     </span>
    </dd>
   
   
    <dt><code class="parameter">ttl</code></dt>
    <dd>
     <span class="simpara">
      Durée de vie; stocke la variable <code class="parameter">var</code> dans le cache pour
      une durée de <code class="parameter">ttl</code> secondes. Après l&#039;expiration de
      <code class="parameter">ttl</code>, la variable stockée sera retirée du cache (à la
      prochaine requête). Si aucune valeur n&#039;est passée à
      <code class="parameter">ttl</code> (ou si la valeur de <code class="parameter">ttl</code> est
      <code class="literal">0</code>), la variable persistera jusqu&#039;à ce qu&#039;elle soit retirée
      manuellement du cache, ou, sinon, elle échouera à sortir du cache (lors d&#039;un
      effacement, redémarrage, etc.).
     </span>
    </dd>
   
   
    <dt><code class="parameter">values</code></dt>
    <dd>
     <span class="simpara">
      Les noms sont fournis par les clés du tableau <code class="parameter">values</code>,
      les variables par les valeurs.
     </span>
    </dd>
   
  </dl>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.apcu-add-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="simpara">
   Retourne <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> si une variable a effectivement été ajoutée au cache, <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> sinon.
   La seconde syntaxe retourne un tableau avec les clés erronées.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.apcu-add-examples">
  <h3 class="title">Exemples</h3>
  <div class="example" id="example-1">
   <p><strong>Exemple #1 Un exemple avec <span class="function"><strong>apcu_add()</strong></span></strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$bar </span><span style="color: #007700">= </span><span style="color: #DD0000">'BAR'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">apcu_add</span><span style="color: #007700">(</span><span style="color: #DD0000">'foo'</span><span style="color: #007700">, </span><span style="color: #0000BB">$bar</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">apcu_fetch</span><span style="color: #007700">(</span><span style="color: #DD0000">'foo'</span><span style="color: #007700">));<br />echo </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$bar </span><span style="color: #007700">= </span><span style="color: #DD0000">'NEVER GETS SET'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">apcu_add</span><span style="color: #007700">(</span><span style="color: #DD0000">'foo'</span><span style="color: #007700">, </span><span style="color: #0000BB">$bar</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">apcu_fetch</span><span style="color: #007700">(</span><span style="color: #DD0000">'foo'</span><span style="color: #007700">));<br />echo </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>L&#039;exemple ci-dessus va afficher :</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">string(3) &quot;BAR&quot;
string(3) &quot;BAR&quot;</pre>
</div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.apcu-add-seealso">
  <h3 class="title">Voir aussi</h3>
  <ul class="simplelist">
   <li><span class="function"><a href="function.apcu-store.php" class="function" rel="rdfs-seeAlso">apcu_store()</a> - Met en cache une variable dans le d&eacute;p&ocirc;t de donn&eacute;es</span></li>
   <li><span class="function"><a href="function.apcu-fetch.php" class="function" rel="rdfs-seeAlso">apcu_fetch()</a> - R&eacute;cup&egrave;re une variable stock&eacute;e dans le cache</span></li>
   <li><span class="function"><a href="function.apcu-delete.php" class="function" rel="rdfs-seeAlso">apcu_delete()</a> - Retire une variable stock&eacute;e du cache</span></li>
  </ul>
 </div>


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