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<div id="function.date-sun-info" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">date_sun_info</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.1.2, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">date_sun_info</span> &mdash; <span class="dc-title">Retourne un tableau avec les informations sur le lever/coucher 
   du soleil ainsi que le début et la fin de l&#039;aube</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.date-sun-info-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>date_sun_info</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$timestamp</code></span>, <span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter">$latitude</code></span>, <span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter">$longitude</code></span>): <span class="type"><a href="language.types.array.php" class="type array">array</a></span></div>

 </div>


 <div class="refsect1 parameters" id="refsect1-function.date-sun-info-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">timestamp</code></dt>
     <dd>
      <p class="para">
       Horodatage Unix.
      </p>
     </dd>
    
    
     <dt><code class="parameter">latitude</code></dt>
     <dd>
      <p class="para">
       Latitude, en degrés.
      </p>
     </dd>
    
    
     <dt><code class="parameter">longitude</code></dt>
     <dd>
      <p class="para">
       Longitude, en degrés.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.date-sun-info-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
   Retourne un tableau dont la structure du tableau est détaillée dans la liste suivante :
  </p>
  <p class="para">
   <dl>
    
     <dt><code class="literal">sunrise</code></dt>
     <dd>
      <span class="simpara">
       L&#039;horodatage du lever du soleil (angle de zenith = 90°35&#039;).
      </span>
     </dd> 
    
    
     <dt><code class="literal">sunset</code></dt>
     <dd>
      <span class="simpara">
       L&#039;horodatage du coucher du soleil (angle de zenith = 90°35&#039;).
      </span>
     </dd> 
    
    
     <dt><code class="literal">transit</code></dt>
     <dd>
      <span class="simpara">
       L&#039;horodatage où le soleil est à son zénith, c&#039;est-à-dire a
       atteint son point le plus haut.
      </span>
     </dd> 
    
    
     <dt><code class="literal">civil_twilight_begin</code></dt>
     <dd>
      <span class="simpara">
       Le début de l&#039;aube civile (angle de zenith = 96°). Il termine au 
       <code class="literal">sunrise</code>.
      </span>
     </dd> 
    
    
     <dt><code class="literal">civil_twilight_end</code></dt>
     <dd>
      <span class="simpara">
       La fin du crépuscule civil (angle de zenith = 96°). Elle commence au 
       <code class="literal">sunset</code>.
      </span>
     </dd> 
    
    
     <dt><code class="literal">nautical_twilight_begin</code></dt>
     <dd>
      <span class="simpara">
       Le début de l&#039;aube nautique (angle de zenith = 102°). Il termine au
       <code class="literal">civil_twilight_begin</code>.
      </span>
     </dd> 
    
    
     <dt><code class="literal">nautical_twilight_end</code></dt>
     <dd>
       <span class="simpara">
       La fin du crépuscule nautique (angle de zenith = 102°). Elle commence au
       <code class="literal">civil_twilight_end</code>.
      </span>
     </dd> 
    
    
     <dt><code class="literal">astronomical_twilight_begin</code></dt>
     <dd>
      <span class="simpara">
       Le début de l&#039;aube astronomique (angle de zenith = 108°). Il termine au
       <code class="literal">nautical_twilight_begin</code>.
      </span>
     </dd> 
    
    
     <dt><code class="literal">astronomical_twilight_end</code></dt>
     <dd>
      <span class="simpara">
       La fin du crépuscule astronomique (angle de zenith = 108°). Elle commence au
       <code class="literal">nautical_twilight_end</code>.
      </span>
     </dd> 
    
   </dl>
  </p>
  <p class="para"> 
   Les valeurs des éléments du tableau sont soit des
   timestamps UNIX, <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong>, si le soleil est sous le zenith
   respectif pour la journée entière, ou <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong>, si le soleil
   est au-dessus du zenith respectif pour toute la journée.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.date-sun-info-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>7.2.0</td>
       <td>
        Le calcul a été corrigé en tenant compte du minuit local au lieu du midi local,
        ce qui modifie légèrement les résultats.
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.date-sun-info-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>date_sun_info()</strong></span></strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$sun_info </span><span style="color: #007700">= </span><span style="color: #0000BB">date_sun_info</span><span style="color: #007700">(</span><span style="color: #0000BB">strtotime</span><span style="color: #007700">(</span><span style="color: #DD0000">"2006-12-12"</span><span style="color: #007700">), </span><span style="color: #0000BB">31.7667</span><span style="color: #007700">, </span><span style="color: #0000BB">35.2333</span><span style="color: #007700">);<br />foreach (</span><span style="color: #0000BB">$sun_info </span><span style="color: #007700">as </span><span style="color: #0000BB">$key </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">$val</span><span style="color: #007700">) {<br />  echo </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$key</span><span style="color: #DD0000">: " </span><span style="color: #007700">. </span><span style="color: #0000BB">date</span><span style="color: #007700">(</span><span style="color: #DD0000">"H:i:s"</span><span style="color: #007700">, </span><span style="color: #0000BB">$val</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}</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">sunrise: 05:52:11
sunset: 15:41:21
transit: 10:46:46
civil_twilight_begin: 05:24:08
civil_twilight_end: 16:09:24
nautical_twilight_begin: 04:52:25
nautical_twilight_end: 16:41:06
astronomical_twilight_begin: 04:21:32
astronomical_twilight_end: 17:12:00</pre>
</div>
    </div>
   </div>
  </p>

  <p class="para">
   <div class="example" id="example-2">
    <p><strong>Exemple #2 Nuit polaire avec un peu de traitement</strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$tz </span><span style="color: #007700">= new </span><span style="color: #0000BB">\DateTimeZone</span><span style="color: #007700">(</span><span style="color: #DD0000">'America/Anchorage'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$si </span><span style="color: #007700">= </span><span style="color: #0000BB">date_sun_info</span><span style="color: #007700">(</span><span style="color: #0000BB">strtotime</span><span style="color: #007700">(</span><span style="color: #DD0000">"2022-12-21"</span><span style="color: #007700">), </span><span style="color: #0000BB">70.21</span><span style="color: #007700">, -</span><span style="color: #0000BB">148.51</span><span style="color: #007700">);<br />foreach (</span><span style="color: #0000BB">$si </span><span style="color: #007700">as </span><span style="color: #0000BB">$key </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">$value</span><span style="color: #007700">) {<br />    echo<br />        match (</span><span style="color: #0000BB">$value</span><span style="color: #007700">) {<br />            </span><span style="color: #0000BB">true </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">'always'</span><span style="color: #007700">,<br />            </span><span style="color: #0000BB">false </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">'never'</span><span style="color: #007700">,<br />            default =&gt; </span><span style="color: #0000BB">date_create</span><span style="color: #007700">(</span><span style="color: #DD0000">"@</span><span style="color: #007700">{</span><span style="color: #0000BB">$value</span><span style="color: #007700">}</span><span style="color: #DD0000">"</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">setTimeZone</span><span style="color: #007700">(</span><span style="color: #0000BB">$tz</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">format</span><span style="color: #007700">( </span><span style="color: #DD0000">'H:i:s T' </span><span style="color: #007700">),<br />        },<br />        </span><span style="color: #DD0000">": </span><span style="color: #007700">{</span><span style="color: #0000BB">$key</span><span style="color: #007700">}</span><span style="color: #DD0000">"</span><span style="color: #007700">,<br />        </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}</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">never: sunrise
never: sunset
12:52:18 AKST: transit
10:53:19 AKST: civil_twilight_begin
14:51:17 AKST: civil_twilight_end
09:01:47 AKST: nautical_twilight_begin
16:42:48 AKST: nautical_twilight_end
07:40:47 AKST: astronomical_twilight_begin
18:03:49 AKST: astronomical_twilight_end</pre>
</div>
    </div>
   </div>
  </p>

  <p class="para">
   <div class="example" id="example-3">
    <p><strong>Exemple #3 Soleil de minuit (Tromso, Norvège)</strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$si </span><span style="color: #007700">= </span><span style="color: #0000BB">date_sun_info</span><span style="color: #007700">(</span><span style="color: #0000BB">strtotime</span><span style="color: #007700">(</span><span style="color: #DD0000">"2022-06-26"</span><span style="color: #007700">), </span><span style="color: #0000BB">69.68</span><span style="color: #007700">, </span><span style="color: #0000BB">18.94</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$si</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">Array
(
    [sunrise] =&gt; 1
    [sunset] =&gt; 1
    [transit] =&gt; 1656240426
    [civil_twilight_begin] =&gt; 1
    [civil_twilight_end] =&gt; 1
    [nautical_twilight_begin] =&gt; 1
    [nautical_twilight_end] =&gt; 1
    [astronomical_twilight_begin] =&gt; 1
    [astronomical_twilight_end] =&gt; 1
)</pre>
</div>
    </div>
   </div>
  </p>
  <p class="para">
    <div class="example" id="example-4">
    <p><strong>Exemple #4 Calcul de la durée du jour (Kyiv)</strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$si </span><span style="color: #007700">= </span><span style="color: #0000BB">date_sun_info</span><span style="color: #007700">(</span><span style="color: #0000BB">strtotime</span><span style="color: #007700">(</span><span style="color: #DD0000">'2022-08-26'</span><span style="color: #007700">), </span><span style="color: #0000BB">50.45</span><span style="color: #007700">, </span><span style="color: #0000BB">30.52</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$diff </span><span style="color: #007700">= </span><span style="color: #0000BB">$si</span><span style="color: #007700">[</span><span style="color: #DD0000">'sunset'</span><span style="color: #007700">] - </span><span style="color: #0000BB">$si</span><span style="color: #007700">[</span><span style="color: #DD0000">'sunrise'</span><span style="color: #007700">];<br />echo </span><span style="color: #DD0000">"Durée du jour: "</span><span style="color: #007700">,<br />    </span><span style="color: #0000BB">floor</span><span style="color: #007700">(</span><span style="color: #0000BB">$diff </span><span style="color: #007700">/ </span><span style="color: #0000BB">3600</span><span style="color: #007700">), </span><span style="color: #DD0000">"h "</span><span style="color: #007700">,<br />    </span><span style="color: #0000BB">floor</span><span style="color: #007700">((</span><span style="color: #0000BB">$diff </span><span style="color: #007700">% </span><span style="color: #0000BB">3600</span><span style="color: #007700">) / </span><span style="color: #0000BB">60</span><span style="color: #007700">), </span><span style="color: #DD0000">"s\n"</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">Durée du jour: 13h 56s</pre>
</div>
    </div>
   </div>
  </p>
 </div>


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