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?>
<div id="function.octdec" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">octdec</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">octdec</span> &mdash; <span class="dc-title">Conversion d&#039;octal en décimal</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.octdec-description">
  <h3 class="title">Description</h3>
   <div class="methodsynopsis dc-description">
    <span class="methodname"><strong>octdec</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$octal_string</code></span>): <span class="type"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span>|<span class="type"><a href="language.types.float.php" class="type float">float</a></span></span></div>

  <p class="para rdfs-comment">
   Retourne une chaîne contenant la représentation décimale du nombre
   <code class="parameter">octal_string</code>.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.octdec-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">octal_string</code></dt>
     <dd>
      <p class="para">
       La <a href="language.types.string.php" class="link">chaîne de caractères</a> octale à convertir.
       Tous les caractères invalides dans <code class="parameter">octal_string</code>
       sont ignorés silencieusement.
       À partir de PHP 7.4.0 fournir des caractères invalides est obsolète.
       Le nombre à convertir.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.octdec-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
   La représentation décimale de <code class="parameter">octal_string</code>
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.octdec-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>
       Passer des caractères invalides génèrera désormais une notice obsolète.
       Le résultat sera toujours calculé comme si les caractères invalides
       n&#039;existaient pas.
      </td>
     </tr>

    </tbody>
   
  </table>

 </div>

 
 <div class="refsect1 examples" id="refsect1-function.octdec-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>octdec()</strong></span></strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">octdec</span><span style="color: #007700">(</span><span style="color: #DD0000">'77'</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">octdec</span><span style="color: #007700">(</span><span style="color: #0000BB">decoct</span><span style="color: #007700">(</span><span style="color: #0000BB">45</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="annotation-interactive examplescode"><pre class="examplescode">63
45</pre>
</div>
    </div>
   </div>
  </p>
 </div>

 
 <div class="refsect1 notes" id="refsect1-function.octdec-notes">
  <h3 class="title">Notes</h3>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <p class="para">
    La fonction peut convertir des nombres qui sont trop larges pour
    tenir dans un type <a href="language.types.integer.php" class="link">entier</a>, dans ce cas, ces valeurs sont retournées
    en tant que <a href="language.types.float.php" class="link">nombre décimal</a>.
   </p>
  </p></blockquote>
 </div>

 
 <div class="refsect1 seealso" id="refsect1-function.octdec-seealso">
  <h3 class="title">Voir aussi</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.decoct.php" class="function" rel="rdfs-seeAlso">decoct()</a> - Convertit de d&eacute;cimal en octal</span></li>
    <li><span class="function"><a href="function.bindec.php" class="function" rel="rdfs-seeAlso">bindec()</a> - Convertit de binaire en d&eacute;cimal</span></li>
    <li><span class="function"><a href="function.hexdec.php" class="function" rel="rdfs-seeAlso">hexdec()</a> - Convertit de hexad&eacute;cimal en d&eacute;cimal</span></li>
    <li><span class="function"><a href="function.base-convert.php" class="function" rel="rdfs-seeAlso">base_convert()</a> - Convertit un nombre entre des bases arbitraires</span></li>
   </ul>
  </p>
 </div>

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