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<div id="dateinterval.format" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">DateInterval::format</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.3.0, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">DateInterval::format</span> &mdash; <span class="dc-title">Formate l&#039;intervalle</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-dateinterval.format-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>DateInterval::format</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$format</code></span>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>

  <p class="para rdfs-comment">
   Formate l&#039;intervalle.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-dateinterval.format-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">format</code></dt>
     <dd>
      <p class="para">
       <table class="doctable table">
        <caption><strong>
         Les caractères suivants sont reconnus dans la chaîne
         <code class="parameter">format</code>.
         Chaque caractère utilisé pour le format doit être
         préfixé par un signe de pourcentage
         (<code class="literal">%</code>).
        </strong></caption>
        
         <thead>
          <tr>
           <th>Caractère de <code class="parameter">format</code></th>
           <th>Description</th>
           <th>Valeur d&#039;exemple</th>
          </tr>

         </thead>

         <tbody class="tbody">
          <tr>
           <td><code class="literal">%</code></td>
           <td>Caractère <code class="literal">%</code> littéral</td>
           <td><code class="literal">%</code></td>
          </tr>

          <tr>
           <td><code class="literal">Y</code></td>
           <td>Année, numérique, au moins 2 chiffres avec zéros initiaux</td>
           <td><code class="literal">01</code>, <code class="literal">03</code></td>
          </tr>

          <tr>
           <td><code class="literal">y</code></td>
           <td>Année, numérique</td>
           <td><code class="literal">1</code>, <code class="literal">3</code></td>
          </tr>

          <tr>
           <td><code class="literal">M</code></td>
           <td>Mois, numérique, au moins 2 chiffres avec zéros initiaux</td>
           <td><code class="literal">01</code>, <code class="literal">03</code>, <code class="literal">12</code></td>
          </tr>

          <tr>
           <td><code class="literal">m</code></td>
           <td>Mois, numérique</td>
           <td><code class="literal">1</code>, <code class="literal">3</code>, <code class="literal">12</code></td>
          </tr>

          <tr>
           <td><code class="literal">D</code></td>
           <td>Jour, numérique, au moins 2 chiffres avec zéros initiaux</td>
           <td><code class="literal">01</code>, <code class="literal">03</code>, <code class="literal">31</code></td>
          </tr>

          <tr>
           <td><code class="literal">d</code></td>
           <td>Jour, numérique</td>
           <td><code class="literal">1</code>, <code class="literal">3</code>, <code class="literal">31</code></td>
          </tr>

          <tr>
           <td><code class="literal">a</code></td>
           <td>Nombre total de jours, provenant de la méthode <span class="methodname"><a href="datetime.diff.php" class="methodname">DateTime::diff()</a></span>
            ou <code class="literal">(unknown)</code> sinon</td>
           <td><code class="literal">4</code>, <code class="literal">18</code>, <code class="literal">8123</code></td>
          </tr>

          <tr>
           <td><code class="literal">H</code></td>
           <td>Heure, numérique, au moins 2 chiffres avec zéros initiaux</td>
           <td><code class="literal">01</code>, <code class="literal">03</code>, <code class="literal">23</code></td>
          </tr>

          <tr>
           <td><code class="literal">h</code></td>
           <td>Heure, numérique</td>
           <td><code class="literal">1</code>, <code class="literal">3</code>, <code class="literal">23</code></td>
          </tr>

          <tr>
           <td><code class="literal">I</code></td>
           <td>Minute, numérique, au moins 2 chiffres avec zéros initiaux</td>
           <td><code class="literal">01</code>, <code class="literal">03</code>, <code class="literal">59</code></td>
          </tr>

          <tr>
           <td><code class="literal">i</code></td>
           <td>Minute, numérique</td>
           <td><code class="literal">1</code>, <code class="literal">3</code>, <code class="literal">59</code></td>
          </tr>

          <tr>
           <td><code class="literal">S</code></td>
           <td>Seconde, numérique, au moins 2 chiffres avec zéros initiaux</td>
           <td><code class="literal">01</code>, <code class="literal">03</code>, <code class="literal">57</code></td>
          </tr>

          <tr>
           <td><code class="literal">s</code></td>
           <td>Seconde, numérique</td>
           <td><code class="literal">1</code>, <code class="literal">3</code>, <code class="literal">57</code></td>
          </tr>

          <tr>
           <td><code class="literal">F</code></td>
           <td>Microsecondes, numérique, au moins 6 chiffres, avec 
            zéros initiaux</td>
           <td><code class="literal">007701</code>, <code class="literal">052738</code>, <code class="literal">428291</code></td>
          </tr>

          <tr>
           <td><code class="literal">f</code></td>
           <td>Microsecondes, numérique</td>
           <td><code class="literal">7701</code>, <code class="literal">52738</code>, <code class="literal">428291</code></td>
          </tr>

          <tr>
           <td><code class="literal">R</code></td>
           <td>Signe &quot;<code class="literal">-</code>&quot; lorsque négatif, &quot;<code class="literal">+</code>&quot; si positif</td>
           <td><code class="literal">-</code>, <code class="literal">+</code></td>
          </tr>

          <tr>
           <td><code class="literal">r</code></td>
           <td>Signe &quot;<code class="literal">-</code>&quot; lorsque négatif, vide si positif</td>
           <td><code class="literal">-</code>, <code class="literal"></td>
          </tr>

         </tbody>
        
       </table>
       
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-dateinterval.format-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
   Retourne l&#039;intervalle formaté.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-dateinterval.format-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>7.2.12</td>
       <td>
        Le format <code class="literal">F</code> et <code class="literal">f</code>
        sera désormais toujours positif.
       </td>
      </tr>

      <tr>
       <td>7.1.0</td>
       <td>
        Les caractères de format <code class="literal">F</code> et <code class="literal">f</code>
        ont été ajoutés.
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-dateinterval.format-examples">
  <h3 class="title">Exemples</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Exemple #1 Exemple avec <span class="classname"><a href="class.dateinterval.php" class="classname">DateInterval</a></span></strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$interval </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">(</span><span style="color: #DD0000">'P2Y4DT6H8M'</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$interval</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">format</span><span style="color: #007700">(</span><span style="color: #DD0000">'%d jours'</span><span style="color: #007700">);</span></span></code></div>
    </div>

    <div class="example-contents"><p>L&#039;exemple ci-dessus va afficher :</p></div>
    <div class="example-contents screen">
<div class="annotation-interactive examplescode"><pre class="examplescode">4 jours</pre>
</div>
    </div>
   </div>
  </p>
  <p class="para">
   <div class="example" id="example-2">
    <p><strong>Exemple #2 <span class="classname"><a href="class.dateinterval.php" class="classname">DateInterval</a></span> et retenue</strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$interval </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">(</span><span style="color: #DD0000">'P32D'</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$interval</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">format</span><span style="color: #007700">(</span><span style="color: #DD0000">'%d jours'</span><span style="color: #007700">);</span></span></code></div>
    </div>

    <div class="example-contents"><p>L&#039;exemple ci-dessus va afficher :</p></div>
   <div class="example-contents screen">
<div class="annotation-interactive examplescode"><pre class="examplescode">32 jours</pre>
</div>
    </div>
   </div>
  </p>
  <p class="para">
   <div class="example" id="example-3">
    <p><strong>Exemple #3 
     <span class="classname"><a href="class.dateinterval.php" class="classname">DateInterval</a></span> et
     <span class="methodname"><a href="datetime.diff.php" class="methodname">DateTime::diff()</a></span> avec les modificateurs %a et %d
    </strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$january </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateTime</span><span style="color: #007700">(</span><span style="color: #DD0000">'2010-01-01'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$february </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateTime</span><span style="color: #007700">(</span><span style="color: #DD0000">'2010-02-01'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$interval </span><span style="color: #007700">= </span><span style="color: #0000BB">$february</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">diff</span><span style="color: #007700">(</span><span style="color: #0000BB">$january</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// %a affichera le nombre total de jours...<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">$interval</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">format</span><span style="color: #007700">(</span><span style="color: #DD0000">'%a jours au total'</span><span style="color: #007700">).</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// ...alors que %d n'affichera que le nombre de jours non encore couverts<br />// dans le mois.<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">$interval</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">format</span><span style="color: #007700">(</span><span style="color: #DD0000">'%m mois, %d jour'</span><span style="color: #007700">);</span></span></code></div>
    </div>

    <div class="example-contents"><p>L&#039;exemple ci-dessus va afficher :</p></div>
    <div class="example-contents screen">
<div class="annotation-interactive examplescode"><pre class="examplescode">31 jours au total
1 mois, 0 jour</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 notes" id="refsect1-dateinterval.format-notes">
  <h3 class="title">Notes</h3>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <p class="para">
    La méthode <span class="methodname"><strong>DateInterval::format()</strong></span> ne recalcule pas la retenue
    dans les chaînes de temps ni dans les segments de date. Ce comportement est attendu
    car il n&#039;est pas possible de dépasser des valeurs comme <code class="literal">&quot;32 days&quot;</code>
    qui pourraient être interprétées comme <code class="literal">&quot;1 mois et 4 jours&quot;</code>
    ou <code class="literal">&quot;1 mois et 1 jour&quot;</code>.
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 seealso" id="refsect1-dateinterval.format-seealso">
  <h3 class="title">Voir aussi</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="methodname"><a href="datetime.diff.php" class="methodname" rel="rdfs-seeAlso">DateTime::diff()</a> - Retourne la diff&eacute;rence entre deux objets DateTime</span></li>
   </ul>
  </p>
 </div>


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