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<div id="ds-map.slice" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Ds\Map::slice</h1>
  <p class="verinfo">(PECL ds &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">Ds\Map::slice</span> &mdash; <span class="dc-title">
   Retorna um subconjunto do mapa definido por um índice inicial e comprimento
  </span></p>

 </div>

 <div class="refsect1 description" id="refsect1-ds-map.slice-description">
  <h3 class="title">Descrição</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Ds\Map::slice</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$index</code></span>, <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$length</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="class.ds-map.php" class="type Ds\Map">Ds\Map</a></span></div>

  <p class="para rdfs-comment">
    Retorna um subconjunto do mapa definido por um <code class="parameter">index</code> inicial e <code class="parameter">length</code>.
  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-ds-map.slice-parameters">
  <h3 class="title">Parâmetros</h3>
  <dl>
   
    <dt><code class="parameter">index</code></dt>
    <dd>
        <p class="para">
            O índice no qual o intervalo começa.
        </p>
        <p class="para">
            Se positivo, o intervalo começará nesse índice no mapa.
            Se negativo, o intervalo começará nessa distância do final.
        </p>
    </dd>
    
    
    <dt><code class="parameter">length</code></dt>
    <dd>
     <p class="para">
        Se um comprimento for fornecido e for positivo, o mapa resultante
        terá até esse número de pares nele.

        Se um comprimento for fornecido e for negativo, o intervalo
        irá parar esse número de pares a partir do final.

        Se o comprimento resultar em um overflow, apenas
        pares até o final do mapa serão incluídos.

        Se um comprimento não for fornecido, o mapa resultante
        conterá todos os pares entre o índice e o
        final do mapa.
     </p>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-ds-map.slice-returnvalues">
  <h3 class="title">Valor Retornado</h3>
  <p class="para">
    Um subconjunto do mapa definido por um índice inicial e comprimento.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-ds-map.slice-examples">
  <h3 class="title">Exemplos</h3>
  <div class="example" id="example-1">
   <p><strong>Exemplo #1 Exemplo de <span class="function"><strong>Ds\Map::slice()</strong></span></strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$map </span><span style="color: #007700">= new </span><span style="color: #0000BB">\Ds\Map</span><span style="color: #007700">([</span><span style="color: #DD0000">"a" </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #DD0000">"b" </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #DD0000">"c" </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">3</span><span style="color: #007700">, </span><span style="color: #DD0000">"d" </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">4</span><span style="color: #007700">, </span><span style="color: #DD0000">"e" </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">5</span><span style="color: #007700">]);<br /><br /></span><span style="color: #FF8000">// Cortar a partir de 2<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">slice</span><span style="color: #007700">(</span><span style="color: #0000BB">2</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">toArray</span><span style="color: #007700">());<br /><br /></span><span style="color: #FF8000">// Cortar a partir de 1, por um comprimento de 3<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">slice</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">3</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">toArray</span><span style="color: #007700">());<br /><br /></span><span style="color: #FF8000">// Cortar a partir de 1<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">slice</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">toArray</span><span style="color: #007700">());<br /><br /></span><span style="color: #FF8000">// Cortar a partir de 2 do final<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">slice</span><span style="color: #007700">(-</span><span style="color: #0000BB">2</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">toArray</span><span style="color: #007700">());<br /><br /></span><span style="color: #FF8000">// Cortar de 1 até 1 do final<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">slice</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">, -</span><span style="color: #0000BB">1</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">toArray</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>O exemplo acima produzirá
algo semelhante a:</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">Array
(
    [c] =&gt; 3
    [d] =&gt; 4
    [e] =&gt; 5
)
Array
(
    [b] =&gt; 2
    [c] =&gt; 3
    [d] =&gt; 4
)
Array
(
    [b] =&gt; 2
    [c] =&gt; 3
    [d] =&gt; 4
    [e] =&gt; 5
)
Array
(
    [d] =&gt; 4
    [e] =&gt; 5
)
Array
(
    [b] =&gt; 2
    [c] =&gt; 3
    [d] =&gt; 4
)</pre>
</div>
   </div>
  </div>
 </div>



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