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?>
<div id="language.namespaces.nested" class="sect1">
  <h2 class="title">Declarando sub-namespaces</h2>
  
  <p class="verinfo">(PHP 5 &gt;= 5.3.0, PHP 7, PHP 8)</p>
  <p class="para">
   Assim como diretórios e arquivos, os namespaces do PHP podem especificar
   uma hierarquia de namespaces. Assim, um namespace pode ser definido com
   subníveis.
   <div class="example" id="example-1">
    <p><strong>Exemplo #1 Declarando um único namespace com hierarquia</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">namespace </span><span style="color: #0000BB">MeuProjeto\Nivel\SubNivel</span><span style="color: #007700">;<br /><br />const </span><span style="color: #0000BB">CONEXAO_OK </span><span style="color: #007700">= </span><span style="color: #0000BB">1</span><span style="color: #007700">;<br />class </span><span style="color: #0000BB">Conexao </span><span style="color: #007700">{ </span><span style="color: #FF8000">/* ... */ </span><span style="color: #007700">}<br />function </span><span style="color: #0000BB">conectar</span><span style="color: #007700">() { </span><span style="color: #FF8000">/* ... */  </span><span style="color: #007700">}<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

   </div>
   O exemplo acima cria a constante <code class="literal">MeuProjeto\Nivel\SubNivel\CONEXAO_OK</code>,
   a classe <code class="literal">MeuProjeto\Nivel\SubNivel\Conexao</code> e a função
   <code class="literal">MeuProjeto\Nivel\SubNivel\conectar</code>.
  </p>
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