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<div id="ds-map.put" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Ds\Map::put</h1>
  <p class="verinfo">(PECL ds &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">Ds\Map::put</span> &mdash; <span class="dc-title">Associe une clé à une valeur</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-ds-map.put-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Ds\Map::put</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$key</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>

  <p class="para rdfs-comment">
    Associe une <code class="parameter">clé</code> à une <code class="parameter">valeur</code>,
    en écrasant une association précédente si elle existe.
  </p>

  <blockquote class="note"><p><strong class="note">Note</strong>: 
    <p class="para">
        Les clés de type <span class="type"><a href="language.types.object.php" class="type object">object</a></span> sont supportées.

        Si un objet implémente <span class="classname"><a href="class.ds-hashable.php" class="classname">Ds\Hashable</a></span>,
        l&#039;égalité sera déterminée par la fonction <code class="code">equals</code> de l&#039;objet.

        Si un objet n&#039;implémente pas <span class="classname"><a href="class.ds-hashable.php" class="classname">Ds\Hashable</a></span>,
        les objets doivent être des références à la même instance pour être considérés comme égaux.
    </p>
  </p></blockquote>

  <blockquote class="note"><p><strong class="note">Note</strong>: 
    <p class="para">
        Il est également possible d&#039;utiliser la syntaxe de tableau pour associer des valeurs par clé, par exemple <code class="code">$map[&quot;clé&quot;] = $valeur</code>.
    </p>
  </p></blockquote>

  <div class="caution"><strong class="caution">Attention</strong>
    <p class="para">
        Attention à l&#039;utilisation de la syntaxe de tableau. Les clés scalaires seront coercées en
        entiers par le moteur. Par exemple, <code class="code">$map[&quot;1&quot;]</code> tentera d&#039;accéder à
        <code class="code">int(1)</code>, tandis que <code class="code">$map-&gt;get(&quot;1&quot;)</code>
        recherchera correctement la clé de chaîne.
    </p>
    <p class="para">
        Voir <a href="language.types.array.php" class="link">tableaux</a>.
    </p>
  </div>

 </div>


 <div class="refsect1 parameters" id="refsect1-ds-map.put-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <dl>
   
    <dt><code class="parameter">key</code></dt>
    <dd>
     <p class="para">
        La clé à associer à la valeur.
     </p>
    </dd>
   
   
    <dt><code class="parameter">value</code></dt>
    <dd>
     <p class="para">
        La valeur à associer à la clé.
     </p>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-ds-map.put-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
    Aucune valeur n&#039;est retournée.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-ds-map.put-examples">
  <h3 class="title">Exemples</h3>
  <div class="example" id="example-1">
   <p><strong>Exemple #1 Exemple de <span class="function"><strong>Ds\Map::put()</strong></span></strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$map </span><span style="color: #007700">= new </span><span style="color: #0000BB">\Ds\Map</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">put</span><span style="color: #007700">(</span><span style="color: #DD0000">"a"</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">put</span><span style="color: #007700">(</span><span style="color: #DD0000">"b"</span><span style="color: #007700">, </span><span style="color: #0000BB">2</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">put</span><span style="color: #007700">(</span><span style="color: #DD0000">"c"</span><span style="color: #007700">, </span><span style="color: #0000BB">3</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$map</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>Résultat de l&#039;exemple ci-dessus est similaire à :</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">Ds\Map Object
(
    [0] =&gt; Ds\Pair Object
        (
            [key] =&gt; a
            [value] =&gt; 1
        )

    [1] =&gt; Ds\Pair Object
        (
            [key] =&gt; b
            [value] =&gt; 2
        )

    [2] =&gt; Ds\Pair Object
        (
            [key] =&gt; c
            [value] =&gt; 3
        )

)</pre>
</div>
   </div>
  </div>
  <div class="example" id="example-2">
   <p><strong>Exemple #2 Exemple de <span class="function"><strong>Ds\Map::put()</strong></span> utilisant des objets en tant que clé</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: #007700">class </span><span style="color: #0000BB">HashableObject </span><span style="color: #007700">implements </span><span style="color: #0000BB">\Ds\Hashable<br /></span><span style="color: #007700">{<br />    </span><span style="color: #FF8000">/**<br />     * Une valeur arbitraire à utiliser comme valeur de hachage. Ne définit pas l'égalité.<br />     */<br />    </span><span style="color: #007700">private </span><span style="color: #0000BB">$value</span><span style="color: #007700">;<br /><br />    public function </span><span style="color: #0000BB">__construct</span><span style="color: #007700">(</span><span style="color: #0000BB">$value</span><span style="color: #007700">)<br />    {<br />        </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">value </span><span style="color: #007700">= </span><span style="color: #0000BB">$value</span><span style="color: #007700">;<br />    }<br /><br />    public function </span><span style="color: #0000BB">hash</span><span style="color: #007700">()<br />    {<br />        return </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">value</span><span style="color: #007700">;<br />    }<br /><br />    public function </span><span style="color: #0000BB">equals</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">): </span><span style="color: #0000BB">bool<br />    </span><span style="color: #007700">{<br />        return </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">value </span><span style="color: #007700">=== </span><span style="color: #0000BB">$obj</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">value</span><span style="color: #007700">;<br />    }<br />}<br /><br /></span><span style="color: #0000BB">$map </span><span style="color: #007700">= new </span><span style="color: #0000BB">\Ds\Map</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$obj </span><span style="color: #007700">= new </span><span style="color: #0000BB">\ArrayIterator</span><span style="color: #007700">([]);<br /><br /></span><span style="color: #FF8000">// Utiliser la même instance plusieurs fois écrasera la valeur précédente.<br /></span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">put</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">put</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">, </span><span style="color: #0000BB">2</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Utiliser plusieurs instances du même objet créera de nouvelles associations.<br /></span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">put</span><span style="color: #007700">(new </span><span style="color: #0000BB">\stdClass</span><span style="color: #007700">(), </span><span style="color: #0000BB">3</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">put</span><span style="color: #007700">(new </span><span style="color: #0000BB">\stdClass</span><span style="color: #007700">(), </span><span style="color: #0000BB">4</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Utiliser plusieurs instances d'objets égaux écrasera les valeurs précédentes.<br /></span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">put</span><span style="color: #007700">(new </span><span style="color: #0000BB">\HashableObject</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">), </span><span style="color: #0000BB">5</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">put</span><span style="color: #007700">(new </span><span style="color: #0000BB">\HashableObject</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">), </span><span style="color: #0000BB">6</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">put</span><span style="color: #007700">(new </span><span style="color: #0000BB">\HashableObject</span><span style="color: #007700">(</span><span style="color: #0000BB">2</span><span style="color: #007700">), </span><span style="color: #0000BB">7</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">put</span><span style="color: #007700">(new </span><span style="color: #0000BB">\HashableObject</span><span style="color: #007700">(</span><span style="color: #0000BB">2</span><span style="color: #007700">), </span><span style="color: #0000BB">8</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$map</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>Résultat de l&#039;exemple ci-dessus est similaire à :</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">object(Ds\Map)#1 (5) {
  [0]=&gt;
  object(Ds\Pair)#7 (2) {
    [&quot;key&quot;]=&gt;
    object(ArrayIterator)#2 (1) {
      [&quot;storage&quot;:&quot;ArrayIterator&quot;:private]=&gt;
      array(0) {
      }
    }
    [&quot;value&quot;]=&gt;
    int(2)
  }
  [1]=&gt;
  object(Ds\Pair)#8 (2) {
    [&quot;key&quot;]=&gt;
    object(stdClass)#3 (0) {
    }
    [&quot;value&quot;]=&gt;
    int(3)
  }
  [2]=&gt;
  object(Ds\Pair)#9 (2) {
    [&quot;key&quot;]=&gt;
    object(stdClass)#4 (0) {
    }
    [&quot;value&quot;]=&gt;
    int(4)
  }
  [3]=&gt;
  object(Ds\Pair)#10 (2) {
    [&quot;key&quot;]=&gt;
    object(HashableObject)#5 (1) {
      [&quot;value&quot;:&quot;HashableObject&quot;:private]=&gt;
      int(1)
    }
    [&quot;value&quot;]=&gt;
    int(6)
  }
  [4]=&gt;
  object(Ds\Pair)#11 (2) {
    [&quot;key&quot;]=&gt;
    object(HashableObject)#6 (1) {
      [&quot;value&quot;:&quot;HashableObject&quot;:private]=&gt;
      int(2)
    }
    [&quot;value&quot;]=&gt;
    int(8)
  }
}</pre>
</div>
   </div>
  </div>
 </div>



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