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    2 => 'Return the parent classes of the given class',
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?>
<div id="function.class-parents" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">class_parents</h1>
  <p class="verinfo">(PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">class_parents</span> &mdash; <span class="dc-title">
   Return the parent classes of the given class
  </span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.class-parents-description">
  <h3 class="title">Descrizione</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>class_parents</strong></span>(<span class="methodparam"><span class="type"><span class="type"><a href="language.types.object.php" class="type object">object</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span></span> <code class="parameter">$object_or_class</code></span>, <span class="methodparam"><span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span> <code class="parameter">$autoload</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong></span></span>): <span class="type"><span class="type"><a href="language.types.array.php" class="type array">array</a></span>|<span class="type"><a href="language.types.singleton.php" class="type false">false</a></span></span></div>

  <p class="para rdfs-comment">
   This function returns an array with the name of the parent classes of
   the given <code class="parameter">object_or_class</code>.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.class-parents-parameters">
  <h3 class="title">Elenco dei parametri</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">object_or_class</code></dt>
     <dd>
      <p class="para">
       An object (class instance) or a string (class name).
      </p>
     </dd>
    
    
     <dt><code class="parameter">autoload</code></dt>
     <dd>
      <p class="para">
       Whether to <a href="language.oop5.autoload.php" class="link">autoload</a>
       if not already loaded.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.class-parents-returnvalues">
  <h3 class="title">Valori restituiti</h3>
  <p class="para">
   An array on success, or <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> when the given class doesn&#039;t exist.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.class-parents-examples">
  <h3 class="title">Esempi</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Example #1 <span class="function"><strong>class_parents()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #007700">class </span><span style="color: #0000BB">foo </span><span style="color: #007700">{ }<br />class </span><span style="color: #0000BB">bar </span><span style="color: #007700">extends </span><span style="color: #0000BB">foo </span><span style="color: #007700">{}<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">class_parents</span><span style="color: #007700">(new </span><span style="color: #0000BB">bar</span><span style="color: #007700">));<br /><br /></span><span style="color: #FF8000">// you may also specify the parameter as a string<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">class_parents</span><span style="color: #007700">(</span><span style="color: #DD0000">'bar'</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">spl_autoload_register</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">// use autoloading to load the 'not_loaded' class<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">class_parents</span><span style="color: #007700">(</span><span style="color: #DD0000">'not_loaded'</span><span style="color: #007700">, </span><span style="color: #0000BB">true</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>Il precedente esempio visualizzerà
qualcosa simile a:</p></div>
    <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">Array
(
    [foo] =&gt; foo
)
Array
(
    [foo] =&gt; foo
)
Array
(
    [parent_of_not_loaded] =&gt; parent_of_not_loaded
)</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 notes" id="refsect1-function.class-parents-notes">
  <h3 class="title">Note</h3>
  <blockquote class="note"><p><strong class="note">Nota</strong>: 
   <span class="simpara">
    To check that an object extends a class, <a href="language.operators.type.php" class="link"><code class="literal">instanceof</code></a>
    or the <span class="function"><a href="function.is-a.php" class="function">is_a()</a></span> function should be used instead.
   </span>
  </p></blockquote>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.class-parents-seealso">
  <h3 class="title">Vedere anche:</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.class-implements.php" class="function" rel="rdfs-seeAlso">class_implements()</a> - Return the interfaces which are implemented by the given class or interface</span></li>
    <li><span class="function"><a href="function.is-a.php" class="function" rel="rdfs-seeAlso">is_a()</a> - Verifica se l'oggetto &egrave; di questa classe o ha questa classe come una dei suoi genitori</span></li>
    <li><a href="language.operators.type.php" class="link"><code class="literal">instanceof</code></a></li>
   </ul>
  </p>
 </div>

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