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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">Lecture de fichier compressé binaire</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.gzread-description">
  <h3 class="title">Description</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> lit jusqu&#039;à <code class="parameter">length</code>
   octets dans le fichier compressé gzip, représenté par
   <code class="parameter">stream</code>. La lecture s&#039;arrête lorsque
   <code class="parameter">length</code> octets (décompressés) ont été lus,
   ou que la fin du fichier a été atteinte (position <abbr title="End Of File">EOF</abbr>).
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.gzread-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">stream</code></dt>
     <dd>
      <p class="para">
       Le pointeur de fichier gz. Il doit être valide et doit pointer vers un
       fichier ouvert avec succès grâce à la fonction <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">
       Le nombre d&#039;octets lus.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.gzread-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
   Les données qui ont été lues,  ou <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> si une erreur survient.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.gzread-changelog">
  <h3 class="title">Historique</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>Version</th>
      <th>Description</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
      <td>7.4.0</td>
      <td>
       Cette fonction retourne désormais <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> en cas d&#039;échec; auparavant
       <code class="literal">0</code> était retourné.
      </td>
     </tr>

    </tbody>
   
  </table>

 </div>


 <div class="refsect1 examples" id="refsect1-function.gzread-examples">
  <h3 class="title">Exemples</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Exemple #1 Exemple avec <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">// récupère le contenu d'un fichier gz dans une chaîne<br /></span><span style="color: #0000BB">$filename </span><span style="color: #007700">= </span><span style="color: #DD0000">"/usr/local/something.txt.gz"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$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">Voir aussi</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.gzwrite.php" class="function" rel="rdfs-seeAlso">gzwrite()</a> - &Eacute;crit dans un fichier compress&eacute; gzip</span></li>
    <li><span class="function"><a href="function.gzopen.php" class="function" rel="rdfs-seeAlso">gzopen()</a> - Ouvre un fichier compress&eacute; avec gzip</span></li>
    <li><span class="function"><a href="function.gzgets.php" class="function" rel="rdfs-seeAlso">gzgets()</a> - Lit une ligne dans un fichier compress&eacute;</span></li>
    <li><span class="function"><a href="function.gzgetss.php" class="function" rel="rdfs-seeAlso">gzgetss()</a> - Lit une ligne dans un fichier compress&eacute;, et supprime les balises HTML</span></li>
    <li><span class="function"><a href="function.gzfile.php" class="function" rel="rdfs-seeAlso">gzfile()</a> - Lit la totalit&eacute; d'un fichier compress&eacute;</span></li>
    <li><span class="function"><a href="function.gzpassthru.php" class="function" rel="rdfs-seeAlso">gzpassthru()</a> - Affiche toutes les donn&eacute;es qui restent dans un pointeur gz</span></li>
   </ul>
  </p>
 </div>

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