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    2 => 'Leitura de arquivo gz bin&aacute;ria segura',
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?>
<div id="function.gzread" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">gzread</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">gzread</span> &mdash; <span class="dc-title">Leitura de arquivo gz binária segura</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.gzread-description">
  <h3 class="title">Descrição</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>gzread</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span> <code class="parameter">$stream</code></span>, <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$length</code></span>): <span class="type"><span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.singleton.php" class="type false">false</a></span></span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>gzread()</strong></span> lê até <code class="parameter">length</code> bytes
   do ponteiro de arquivo gz dado. A leitura para quando
   <code class="parameter">length</code> bytes (não comprimidos) tiverem sido lidos
   ou quando <abbr title="End Of File">EOF</abbr> é alcançado, o que ocorrer primeiro.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.gzread-parameters">
  <h3 class="title">Parâmetros</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">stream</code></dt>
     <dd>
      <p class="para">
       O ponteiro de arquivo gz. Ele deve ser válido e deve apontar para um arquivo
       aberto com sucesso por <span class="function"><a href="function.gzopen.php" class="function">gzopen()</a></span>.
      </p>
     </dd>
    
    
     <dt><code class="parameter">length</code></dt>
     <dd>
      <p class="para">
       O número de bytes a serem lidos.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.gzread-returnvalues">
  <h3 class="title">Valor Retornado</h3>
  <p class="para">
   Os dados que foram lidos,  ou <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> em caso de falha.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.gzread-changelog">
  <h3 class="title">Registro de Alterações</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>Versão</th>
      <th>Descrição</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
      <td>7.4.0</td>
      <td>
       Esta função agora retorna <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> em caso de falha; anteriormente, <code class="literal">0</code> era retornado.
      </td>
     </tr>

    </tbody>
   
  </table>

 </div>


 <div class="refsect1 examples" id="refsect1-function.gzread-examples">
  <h3 class="title">Exemplos</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Exemplo #1 Exemplo de <span class="function"><strong>gzread()</strong></span></strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">// obter o conteúdo de um arquivo gz em uma string<br /></span><span style="color: #0000BB">$filename </span><span style="color: #007700">= </span><span style="color: #DD0000">"/usr/local/algumacoisa.txt.gz"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$zd </span><span style="color: #007700">= </span><span style="color: #0000BB">gzopen</span><span style="color: #007700">(</span><span style="color: #0000BB">$filename</span><span style="color: #007700">, </span><span style="color: #DD0000">"r"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$contents </span><span style="color: #007700">= </span><span style="color: #0000BB">gzread</span><span style="color: #007700">(</span><span style="color: #0000BB">$zd</span><span style="color: #007700">, </span><span style="color: #0000BB">10000</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">gzclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$zd</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

   </div>
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.gzread-seealso">
  <h3 class="title">Veja Também</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.gzwrite.php" class="function" rel="rdfs-seeAlso">gzwrite()</a> - Escrita segura para bin&aacute;rio em arquivo-gz</span></li>
    <li><span class="function"><a href="function.gzopen.php" class="function" rel="rdfs-seeAlso">gzopen()</a> - Abre arquivo gz</span></li>
    <li><span class="function"><a href="function.gzgets.php" class="function" rel="rdfs-seeAlso">gzgets()</a> - Obt&eacute;m uma linha de um ponteiro de arquivo</span></li>
    <li><span class="function"><a href="function.gzgetss.php" class="function" rel="rdfs-seeAlso">gzgetss()</a> - Obt&eacute;m linha de um ponteiro de arquivo gz e remover tags HTML</span></li>
    <li><span class="function"><a href="function.gzfile.php" class="function" rel="rdfs-seeAlso">gzfile()</a> - L&ecirc; todo o arquivo gz em um array</span></li>
    <li><span class="function"><a href="function.gzpassthru.php" class="function" rel="rdfs-seeAlso">gzpassthru()</a> - Escreve na sa&iacute;da todos os dados restantes em um ponteiro de arquivo gz</span></li>
   </ul>
  </p>
 </div>

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