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<div id="exception.getprevious" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Exception::getPrevious</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.3.0, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">Exception::getPrevious</span> &mdash; <span class="dc-title">Retourne le Throwable précédent</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-exception.getprevious-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">final</span> <span class="modifier">public</span> <span class="methodname"><strong>Exception::getPrevious</strong></span>(): <span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="class.throwable.php" class="type Throwable">Throwable</a></span></span></div>

  <p class="para rdfs-comment">
   Retourne le <span class="classname"><a href="class.throwable.php" class="classname">Throwable</a></span> précédent
   (le troisième paramètre de la méthode <span class="methodname"><a href="exception.construct.php" class="methodname">Exception::__construct()</a></span>).
  </p>
 </div>

 
 <div class="refsect1 parameters" id="refsect1-exception.getprevious-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <p class="para">Cette fonction ne contient aucun paramètre.</p>
 </div>

 
 <div class="refsect1 returnvalues" id="refsect1-exception.getprevious-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
   Retourne la précédente <span class="classname"><a href="class.throwable.php" class="classname">Throwable</a></span> si disponible, 
   <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong> sinon.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-exception.getprevious-examples">
  <h3 class="title">Exemples</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Exemple #1 Exemple avec <span class="methodname"><strong>Exception::getPrevious()</strong></span></strong></p>
    <div class="example-contents"><p>
     Une boucle, on affiche et on capture les exceptions.
    </p></div>
    <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">MyCustomException </span><span style="color: #007700">extends </span><span style="color: #0000BB">Exception </span><span style="color: #007700">{}<br /><br />function </span><span style="color: #0000BB">doStuff</span><span style="color: #007700">() {<br />    try {<br />        throw new </span><span style="color: #0000BB">InvalidArgumentException</span><span style="color: #007700">(</span><span style="color: #DD0000">"Vous avez fait une erreur !"</span><span style="color: #007700">, </span><span style="color: #0000BB">112</span><span style="color: #007700">);<br />    } catch(</span><span style="color: #0000BB">Exception $e</span><span style="color: #007700">) {<br />        throw new </span><span style="color: #0000BB">MyCustomException</span><span style="color: #007700">(</span><span style="color: #DD0000">"Un problème est survenu"</span><span style="color: #007700">, </span><span style="color: #0000BB">911</span><span style="color: #007700">, </span><span style="color: #0000BB">$e</span><span style="color: #007700">);<br />    }<br />}<br /><br /><br />try {<br />    </span><span style="color: #0000BB">doStuff</span><span style="color: #007700">();<br />} catch(</span><span style="color: #0000BB">Exception $e</span><span style="color: #007700">) {<br />    do {<br />        </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%s:%d %s (%d) [%s]\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$e</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getFile</span><span style="color: #007700">(), </span><span style="color: #0000BB">$e</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getLine</span><span style="color: #007700">(), </span><span style="color: #0000BB">$e</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getMessage</span><span style="color: #007700">(), </span><span style="color: #0000BB">$e</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getCode</span><span style="color: #007700">(), </span><span style="color: #0000BB">get_class</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">));<br />    } while(</span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">$e</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getPrevious</span><span style="color: #007700">());<br />}<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">/home/bjori/ex.php:8 Un problème est survenu (911) [MyCustomException]
/home/bjori/ex.php:6 Vous avez fait une erreur ! (112) [InvalidArgumentException]</pre>
</div>
    </div>
   </div>
  </p>
 </div>

 
 <div class="refsect1 seealso" id="refsect1-exception.getprevious-seealso">
  <h3 class="title">Voir aussi</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="methodname"><a href="throwable.getprevious.php" class="methodname" rel="rdfs-seeAlso">Throwable::getPrevious()</a> - Retourne le Throwable pr&eacute;c&eacute;dent</span></li>
   </ul>
  </p>
 </div>

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