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?>
<div id="function.wincache-ucache-dec" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">wincache_ucache_dec</h1>
  <p class="verinfo">(PECL wincache &gt;= 1.1.0)</p><p class="refpurpose"><span class="refname">wincache_ucache_dec</span> &mdash; <span class="dc-title">
   Decrementa o valor associado à chave
  </span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.wincache-ucache-dec-description">
  <h3 class="title">Descrição</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>wincache_ucache_dec</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$key</code></span>, <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$dec_by</code><span class="initializer"> = 1</span></span>, <span class="methodparam"><span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span> <code class="parameter reference">&$success</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>

  <p class="para rdfs-comment">
   Decrementa o valor associado à chave <code class="parameter">key</code> em 1 ou conforme especificado
   por <code class="parameter">dec_by</code>.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.wincache-ucache-dec-parameters">
  <h3 class="title">Parâmetros</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">key</code></dt>
     <dd>
      <p class="para">
       O parâmetro <code class="parameter">key</code> é a chave que foi usada para armazenar a variável no cache.
       <code class="parameter">key</code> diferencia maiúsculas de minúsculas.
      </p>
     </dd>
    
    
     <dt><code class="parameter">dec_by</code></dt>
     <dd>
      <p class="para">
       O valor pelo qual a variável associada a <code class="parameter">key</code> será decrementada.
       Se o argumento for um número de ponto flutuante, ele será truncado para o inteiro mais próximo. A variável
       associada a <code class="parameter">key</code> deve ser do tipo <code class="literal">long</code>, caso contrário,
       a função falha e retorna <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong>.
      </p>
     </dd>
    
    
     <dt><code class="parameter">success</code></dt>
     <dd>
      <p class="para">
       Será definido como <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> em caso de sucesso e <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> em caso de falha.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.wincache-ucache-dec-returnvalues">
  <h3 class="title">Valor Retornado</h3>
  <p class="simpara">
   Retorna o valor decrementado em caso de sucesso e <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> em caso de falha.
  </p>
 </div>

 <div class="refsect1 examples" id="refsect1-function.wincache-ucache-dec-examples">
  <h3 class="title">Exemplos</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Exemplo #1 Usando <span class="function"><strong>wincache_ucache_dec()</strong></span></strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />wincache_ucache_set</span><span style="color: #007700">(</span><span style="color: #DD0000">'counter'</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">wincache_ucache_dec</span><span style="color: #007700">(</span><span style="color: #DD0000">'counter'</span><span style="color: #007700">, </span><span style="color: #0000BB">2923</span><span style="color: #007700">, </span><span style="color: #0000BB">$success</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$success</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>O exemplo acima produzirá:</p></div>
    <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">int(2922)
bool(true)</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.wincache-ucache-dec-seealso">
  <h3 class="title">Veja Também</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.wincache-ucache-inc.php" class="function" rel="rdfs-seeAlso">wincache_ucache_inc()</a> - Incrementa o valor associado &agrave; chave</span></li>
    <li><span class="function"><a href="function.wincache-ucache-cas.php" class="function" rel="rdfs-seeAlso">wincache_ucache_cas()</a> - Compara a vari&aacute;vel com o valor antigo e atribui um novo valor a ela</span></li>
   </ul>
  </p>
 </div>


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