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?>
<div id="language.oop5.iterations" class="sect1">
  <h2 class="title">Recorrido de objetos</h2>
  <p class="para">
    PHP proporciona una manera de definir los objetos de manera que se pueda
    recorrer una lista de miembros, por ejemplo con una estructura
    <a href="control-structures.foreach.php" class="link"><code class="literal">foreach</code></a>. Por omisión, todas
    las propiedades <a href="language.oop5.visibility.php" class="link">visibles</a>
    serán utilizadas para el recorrido.
  </p>

  <div class="example" id="example-1">
    <p><strong>Ejemplo #1 Recorrido de objeto simple</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">MyClass<br /></span><span style="color: #007700">{<br />  public </span><span style="color: #0000BB">$var1 </span><span style="color: #007700">= </span><span style="color: #DD0000">'valor 1'</span><span style="color: #007700">;<br />  public </span><span style="color: #0000BB">$var2 </span><span style="color: #007700">= </span><span style="color: #DD0000">'valor 2'</span><span style="color: #007700">;<br />  public </span><span style="color: #0000BB">$var3 </span><span style="color: #007700">= </span><span style="color: #DD0000">'valor 3'</span><span style="color: #007700">;<br /><br />  protected </span><span style="color: #0000BB">$protected </span><span style="color: #007700">= </span><span style="color: #DD0000">'variable protegida'</span><span style="color: #007700">;<br />  private   </span><span style="color: #0000BB">$private   </span><span style="color: #007700">= </span><span style="color: #DD0000">'variable privada'</span><span style="color: #007700">;<br /><br />  function </span><span style="color: #0000BB">iterateVisible</span><span style="color: #007700">() {<br />     echo </span><span style="color: #DD0000">"MyClass::iterateVisible:\n"</span><span style="color: #007700">;<br />     foreach (</span><span style="color: #0000BB">$this </span><span style="color: #007700">as </span><span style="color: #0000BB">$key </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">$value</span><span style="color: #007700">) {<br />         print </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$key</span><span style="color: #DD0000"> =&gt; </span><span style="color: #0000BB">$value</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;<br />     }<br />  }<br />}<br /><br /></span><span style="color: #0000BB">$class </span><span style="color: #007700">= new </span><span style="color: #0000BB">MyClass</span><span style="color: #007700">();<br /><br />foreach(</span><span style="color: #0000BB">$class </span><span style="color: #007700">as </span><span style="color: #0000BB">$key </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">$value</span><span style="color: #007700">) {<br />    print </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$key</span><span style="color: #DD0000"> =&gt; </span><span style="color: #0000BB">$value</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;<br />}<br />echo </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$class</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">iterateVisible</span><span style="color: #007700">();</span></span></code></div>
    </div>

    <div class="example-contents"><p>El ejemplo anterior mostrará:</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
var1 =&gt; valor 1
var2 =&gt; valor 2
var3 =&gt; valor 3

MyClass::iterateVisible:
var1 =&gt; valor 1
var2 =&gt; valor 2
var3 =&gt; valor 3
protected =&gt; variable protegida
private =&gt; variable privada
</pre></div>
    </div>
  </div>

  <p class="para">
    Como muestra la salida, la iteración <a href="control-structures.foreach.php" class="link"><code class="literal">foreach</code></a> recorrió todas las
    propiedades <a href="language.oop5.visibility.php" class="link">visibles</a>
    que pudieron ser accedidas.
  </p>

  <div class="simplesect">
    <h3 class="title">Ver también</h3>
    <p class="para">
      <ul class="simplelist">
        <li><a href="language.generators.php" class="link">Generators</a></li>
        <li><span class="interfacename"><a href="class.iterator.php" class="interfacename">Iterator</a></span></li>
        <li><span class="interfacename"><a href="class.iteratoraggregate.php" class="interfacename">IteratorAggregate</a></span> </li>
        <li><a href="spl.iterators.php" class="link">SPL Iterators</a></li>
      </ul>
    </p>
  </div>
</div><?php manual_footer($setup); ?>