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<div id="function.array-change-key-case" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">array_change_key_case</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.2.0, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">array_change_key_case</span> &mdash; <span class="dc-title">Change la casse de toutes les clés d&#039;un tableau</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.array-change-key-case-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>array_change_key_case</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter">$array</code></span>, <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$case</code><span class="initializer"> = <strong><code><a href="array.constants.php#constant.case-lower">CASE_LOWER</a></code></strong></span></span>): <span class="type"><a href="language.types.array.php" class="type array">array</a></span></div>

  <p class="para rdfs-comment">
   Modifie les clés du tableau <code class="parameter">array</code> et force leur casse.
   Cette fonction laissera les clés numériques inchangées.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.array-change-key-case-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <p class="para">
   <dl>

    
     <dt><code class="parameter">array</code></dt>
     <dd>
      <p class="para">
       Le tableau à traiter
      </p>
     </dd>
    

    
     <dt><code class="parameter">case</code></dt>
     <dd>
      <p class="para">
       Soit <strong><code><a href="array.constants.php#constant.case-upper">CASE_UPPER</a></code></strong> (majuscules), soit
       <strong><code><a href="array.constants.php#constant.case-lower">CASE_LOWER</a></code></strong> (minuscules, valeur par défaut)
      </p>
     </dd>
    

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


 <div class="refsect1 returnvalues" id="refsect1-function.array-change-key-case-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
   Retourne un tableau dont les clés ont été transformées en majuscule
   ou en minuscule.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.array-change-key-case-examples">
  <h3 class="title">Exemples</h3>
  <p class="para">
   <div class="example" id="function.array-change-key-case.example-1">
    <p><strong>Exemple #1 Exemple avec <span class="function"><strong>array_change_key_case()</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 />$input_array </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"FirSt" </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #DD0000">"SecOnd" </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">4</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">array_change_key_case</span><span style="color: #007700">(</span><span style="color: #0000BB">$input_array</span><span style="color: #007700">, </span><span style="color: #0000BB">CASE_UPPER</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">Array
(
    [FIRST] =&gt; 1
    [SECOND] =&gt; 4
)</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 notes" id="refsect1-function.array-change-key-case-notes">
  <h3 class="title">Notes</h3>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <p class="para">
    Si un tableau possède des clés qui seront identiques lors de l&#039;exécution
    de cette fonction (p. ex. &quot;<code class="literal">clé</code>&quot; et &quot;<code class="literal">CLé</code>&quot;),
    la dernière valeur dans le tableau écrasera les précédentes.
   </p>
  </p></blockquote>
 </div>

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