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?>
<div id="function.base64-encode" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">base64_encode</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">base64_encode</span> &mdash; <span class="dc-title">Encode une chaîne en MIME base64</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.base64-encode-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>base64_encode</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$string</code></span>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>

  <p class="para rdfs-comment">
   Encode la <code class="parameter">string</code> donnée en base64.
  </p>
  <p class="para">
   Cet encodage est fait pour permettre aux informations binaires
   d&#039;être manipulées par les systèmes qui ne gèrent pas correctement
   les 8 bits, comme les corps de mail.
  </p>
  <p class="para">
   Une chaîne encodée base64 prend environ 33% d&#039;espace de plus
   que les données initiales.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.base64-encode-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">string</code></dt>
     <dd>
      <p class="para">
       Les données à encoder.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.base64-encode-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
   Les données encodées, sous la forme d&#039;une <a href="language.types.string.php" class="link">chaîne de caractères</a>.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.base64-encode-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>base64_encode()</strong></span></strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$str </span><span style="color: #007700">= </span><span style="color: #DD0000">'Ceci est une chaîne encodée'</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">base64_encode</span><span style="color: #007700">(</span><span style="color: #0000BB">$str</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">Q2VjaSBlc3QgdW5lIGNoYe5uZSBlbmNvZOll</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.base64-encode-seealso">
  <h3 class="title">Voir aussi</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.base64-decode.php" class="function" rel="rdfs-seeAlso">base64_decode()</a> - D&eacute;code une cha&icirc;ne en MIME base64</span></li>
    <li><span class="function"><a href="function.chunk-split.php" class="function" rel="rdfs-seeAlso">chunk_split()</a> - Scinde une cha&icirc;ne</span></li>
    <li><span class="function"><a href="function.convert-uuencode.php" class="function" rel="rdfs-seeAlso">convert_uuencode()</a> - Encode une cha&icirc;ne de caract&egrave;res en utilisant l'algorithme uuencode</span></li>
    <li><a href="https://datatracker.ietf.org/doc/html/rfc2045" class="link external">&raquo;&nbsp;RFC 2045</a>, section 6.8</li>
   </ul>
  </p>
 </div>


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