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    2 => 'D&eacute;finit/r&eacute;cup&egrave;re diff&eacute;rentes options d\'assertions',
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?>
<div id="function.assert-options" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">assert_options</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">assert_options</span> &mdash; <span class="dc-title">Définit/récupère différentes options d&#039;assertions</span></p>

 </div>

 <div id="function.assert-options-refsynopsisdiv">
  <div class="warning"><strong class="warning">Avertissement</strong><p class="simpara">
 Cette fonction est <em>OBSOLÈTE</em> à partir de PHP 8.3.0.
 Dépendre de cette fonction est fortement déconseillé.
</p></div>
 </div>

 <div class="refsect1 description" id="refsect1-function.assert-options-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>assert_options</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$option</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$value</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>assert_options()</strong></span> permet de modifier les diverses
   options de la fonction <span class="function"><a href="function.assert.php" class="function">assert()</a></span>, ou simplement
   connaître la configuration actuelle.
  </p>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <span class="simpara">
    L&#039;utilisation de <span class="function"><strong>assert_options()</strong></span> est déconseillée
    en faveur de définir et récupérer les directives <var class="filename">php.ini</var>
    <a href="ini.core.php#ini.zend.assertions" class="link">zend.assertions</a> et
    <a href="info.configuration.php#ini.assert.exception" class="link">assert.exception</a> avec
    <span class="function"><a href="function.ini-set.php" class="function">ini_set()</a></span> et <span class="function"><a href="function.ini-get.php" class="function">ini_get()</a></span>, respectivement.
   </span>
  </p></blockquote>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.assert-options-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">option</code></dt>
     <dd>
      <p class="para">
       <table class="doctable table">
        <caption><strong>Options d&#039;assertions</strong></caption>
        
         <thead>
          <tr>
           <th>Option</th>
           <th>Directive</th>
           <th>Valeur par défaut</th>
           <th>Description</th>
          </tr>

         </thead>

         <tbody class="tbody">
          <tr>
           <td>ASSERT_ACTIVE</td>
           <td>assert.active</td>
           <td>1</td>
           <td>
            Active l&#039;évaluation de la fonction <span class="function"><a href="function.assert.php" class="function">assert()</a></span>
           </td>
          </tr>

          <tr>
           <td>ASSERT_EXCEPTION</td>
           <td>assert.exception</td>
           <td>1</td>
           <td>Lance une <span class="classname"><a href="class.assertionerror.php" class="classname">AssertionError</a></span> pour chaque assertion échouée</td>
          </tr>

          <tr>
           <td>ASSERT_WARNING</td>
           <td>assert.warning</td>
           <td>1</td>
           <td>Génère une alerte PHP pour chaque assertion fausse</td>
          </tr>

          <tr>
           <td>ASSERT_BAIL</td>
           <td>assert.bail</td>
           <td>0</td>
           <td>Termine l&#039;exécution en cas d&#039;assertion fausse</td>
          </tr>

          <tr>
           <td>ASSERT_QUIET_EVAL</td>
           <td>assert.quiet_eval</td>
           <td>0</td>
           <td>
            Désactive le rapport d&#039;erreur durant l&#039;évaluation d&#039;une assertion. Supprimée à partir de PHP 8.0.0
           </td>
          </tr>

          <tr>
           <td>ASSERT_CALLBACK</td>
           <td>assert.callback</td>
           <td>(<strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>)</td>
           <td>
            Fonction de rappel utilisateur, pour le traitement des assertions fausses
           </td>
          </tr>

         </tbody>
        
       </table>

      </p>
     </dd>
    
    
     <dt><code class="parameter">value</code></dt>
     <dd>
      <p class="para">
       Une nouvelle valeur, optionnelle, pour l&#039;option.
      </p>
      <p class="para">
       La fonction de rappel définie via <strong><code><a href="info.constants.php#constant.assert-callback">ASSERT_CALLBACK</a></code></strong> ou
       <a href="info.configuration.php#ini.assert.callback" class="link">assert.callback</a>
       devrait avoir la signature suivante :
       <div class="methodsynopsis dc-description">
        <span class="methodname"><strong>assert_callback</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$file</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$line</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.string.php" class="type string">string</a></span></span> <code class="parameter">$assertion</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$description</code><span class="initializer"> = ?</span></span><br>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>

       <dl>
        
         <dt><code class="parameter">file</code></dt>
         <dd>
          <span class="simpara">
           Le fichier <span class="function"><a href="function.assert.php" class="function">assert()</a></span> a été appelé.
          </span>
         </dd>
        
        
         <dt><code class="parameter">line</code></dt>
         <dd>
          <span class="simpara">
           La ligne où <span class="function"><a href="function.assert.php" class="function">assert()</a></span> a été appelé.
          </span>
         </dd>
        
        
         <dt><code class="parameter">assertion</code></dt>
         <dd>
          <span class="simpara">
           Antérieur à PHP 8.0.0, le premier paramètre de la fonction <span class="function"><a href="function.assert.php" class="function">assert()</a></span> était l&#039;assertion passée,
           mais seulement lorsque l&#039;assertion était fournie sous forme de chaîne de caractères.
           (Si l&#039;assertion était une condition booléenne, ce paramètre était une chaîne vide.)
           À partir de PHP 8.0.0, ce paramètre est toujours <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>.
          </span>
         </dd>
        
        
         <dt><code class="parameter">description</code></dt>
         <dd>
          <span class="simpara">
           La description qui a été fournie à <span class="function"><a href="function.assert.php" class="function">assert()</a></span>.
          </span>
         </dd>
        
       </dl>
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.assert-options-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
   Retourne la valeur originale de l&#039;option.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-function.assert-options-errors">
  <h3 class="title">Erreurs / Exceptions</h3>
  <p class="para">
   Si <code class="parameter">option</code> n&#039;est pas une option valide, une
   <span class="classname"><a href="class.valueerror.php" class="classname">ValueError</a></span> est lancée.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.assert-options-changelog">
  <h3 class="title">Historique</h3>
  <p class="para">
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>Version</th>
       <th>Description</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>8.3.0</td>
       <td>
        <span class="function"><strong>assert_option()</strong></span> est désormais obsolète.
       </td>
      </tr>

      <tr>
       <td>8.0.0</td>
       <td>
        Si <code class="parameter">option</code> n&#039;est pas une option valide,
        une <span class="classname"><a href="class.valueerror.php" class="classname">ValueError</a></span> est désormais lancée.
        Auparavant, <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> était retourné.
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.assert-options-examples">
  <h3 class="title">Exemples</h3>
  <p class="para">
   <div class="example" id="example-1">
   <p><strong>Exemple #1 Exemple avec <span class="function"><strong>assert_options()</strong></span></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: #FF8000">// Ceci est notre fonction pour gérer les<br />// erreurs d'assertion<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">assert_failure</span><span style="color: #007700">(</span><span style="color: #0000BB">$file</span><span style="color: #007700">, </span><span style="color: #0000BB">$line</span><span style="color: #007700">, </span><span style="color: #0000BB">$assertion</span><span style="color: #007700">, </span><span style="color: #0000BB">$message</span><span style="color: #007700">)<br />{<br />    echo </span><span style="color: #DD0000">"L'assertion </span><span style="color: #0000BB">$assertion</span><span style="color: #DD0000"> dans </span><span style="color: #0000BB">$file</span><span style="color: #DD0000"> à la ligne </span><span style="color: #0000BB">$line</span><span style="color: #DD0000"> a échoué : </span><span style="color: #0000BB">$message</span><span style="color: #DD0000">"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">// Ceci est notre fonction de test<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">test_assert</span><span style="color: #007700">(</span><span style="color: #0000BB">$parameter</span><span style="color: #007700">)<br />{<br />    </span><span style="color: #0000BB">assert</span><span style="color: #007700">(</span><span style="color: #0000BB">is_bool</span><span style="color: #007700">(</span><span style="color: #0000BB">$parameter</span><span style="color: #007700">));<br />}<br /><br /></span><span style="color: #FF8000">// Définit nos options d'assertion<br /></span><span style="color: #0000BB">assert_options</span><span style="color: #007700">(</span><span style="color: #0000BB">ASSERT_ACTIVE</span><span style="color: #007700">,   </span><span style="color: #0000BB">true</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">assert_options</span><span style="color: #007700">(</span><span style="color: #0000BB">ASSERT_BAIL</span><span style="color: #007700">,     </span><span style="color: #0000BB">true</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">assert_options</span><span style="color: #007700">(</span><span style="color: #0000BB">ASSERT_WARNING</span><span style="color: #007700">,  </span><span style="color: #0000BB">false</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">assert_options</span><span style="color: #007700">(</span><span style="color: #0000BB">ASSERT_CALLBACK</span><span style="color: #007700">, </span><span style="color: #DD0000">'assert_failure'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Une assertion qui doit échouer<br /></span><span style="color: #0000BB">test_assert</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Ceci n'est jamais atteint, car ASSERT_BAIL<br />// vaut true<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">'Jamais atteint'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.assert-options-seealso">
  <h3 class="title">Voir aussi</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.assert.php" class="function" rel="rdfs-seeAlso">assert()</a> - V&eacute;rifie une assertion</span></li>
   </ul>
  </p>
 </div>


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