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<div id="function.date-sunrise" class="refentry">

 <div class="refnamediv">
  <h1 class="refname">date_sunrise</h1>
  <p class="verinfo">(PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">date_sunrise</span> &mdash; <span class="dc-title">Retourne l&#039;heure de lever du soleil pour un jour et un endroit donnés</span></p>

 </div>

 <div id="function.date-sunrise-refsynopsisdiv">
  <div class="warning"><strong class="warning">Avertissement</strong>
   <p class="para">
    Cette fonction est <em>OBSOLÈTE</em> à partir de PHP 8.1.0.
    Dépendre de cette fonction est fortement déconseillé. L&#039;utilisation
    de <span class="function"><a href="function.date-sun-info.php" class="function">date_sun_info()</a></span> est encouragée à la place.
   </p>
  </div>
 </div>

 <div class="refsect1 description" id="refsect1-function.date-sunrise-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="attribute"><a href="class.deprecated.php">#[\Deprecated]</a> </span><br>
   <span class="methodname"><strong>date_sunrise</strong></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">$timestamp</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$returnFormat</code><span class="initializer"> = <strong><code><a href="datetime.constants.php#constant.sunfuncs-ret-string">SUNFUNCS_RET_STRING</a></code></strong></span></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.float.php" class="type float">float</a></span></span> <code class="parameter">$latitude</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.float.php" class="type float">float</a></span></span> <code class="parameter">$longitude</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></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.float.php" class="type float">float</a></span></span> <code class="parameter">$zenith</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.float.php" class="type float">float</a></span></span> <code class="parameter">$utcOffset</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span><br>): <span class="type"><span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>|<span class="type"><a href="language.types.float.php" class="type float">float</a></span>|<span class="type"><a href="language.types.singleton.php" class="type false">false</a></span></span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>date_sunrise()</strong></span> retourne l&#039;heure de lever du soleil pour un jour 
   (spécifié par le paramètre <code class="parameter">timestamp</code>) et un endroit donnés.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.date-sunrise-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">timestamp</code></dt>
     <dd>
      <p class="para">
       Le timestamp Unix du jour pour lequel l&#039;heure de lever du soleil est donnée.
      </p>
     </dd>
    
    
     <dt><code class="parameter">returnFormat</code></dt>
     <dd>
      <p class="para">
       <table class="doctable table">
        <caption><strong>Constantes pour le paramètre <code class="parameter">format</code></strong></caption>
        
         <thead>
          <tr>
           <th>Constante</th>
           <th>Description</th>
           <th>Exemple</th>
          </tr>

         </thead>

         <tbody class="tbody">
          <tr>
           <td>SUNFUNCS_RET_STRING</td>
           <td>Retourne le résultat en tant que <a href="language.types.string.php" class="link">chaîne de caractères</a></td>
           <td>16:46</td>
          </tr>

          <tr>
           <td>SUNFUNCS_RET_DOUBLE</td>
           <td>Retourne le résultat en tant que <a href="language.types.float.php" class="link">nombre décimal</a></td>
           <td>16.78243132</td>
          </tr>

          <tr>
           <td>SUNFUNCS_RET_TIMESTAMP</td>
           <td>Retourne le résultat en tant qu&#039;<a href="language.types.integer.php" class="link">entier</a> (timestamp)</td>
           <td>1095034606</td>
          </tr>

         </tbody>
        
       </table>

      </p>
     </dd>
    
    
     <dt><code class="parameter">latitude</code></dt>
     <dd>
      <p class="para">
       Par défaut, c&#039;est le Nord. Passez une valeur négative pour le Sud.
       Voir aussi <a href="datetime.configuration.php#ini.date.default-latitude" class="link">date.default_latitude</a>.
      </p>
     </dd>
    
    
     <dt><code class="parameter">longitude</code></dt>
     <dd>
      <p class="para">
       Par défaut, c&#039;est l&#039;Est. Passez une valeur négative pour l&#039;Ouest.
       Voir aussi <a href="datetime.configuration.php#ini.date.default-longitude" class="link">date.default_longitude</a>.
      </p>
     </dd>
    
    
     <dt><code class="parameter">zenith</code></dt>
     <dd>
      <p class="para">
<code class="parameter">zenith</code> est l&#039;angle entre le centre du
       soleil et la ligne perpendiculaire à la surface de la terre. Par défaut 
       <a href="datetime.configuration.php#ini.date.sunrise-zenith" class="link">date.sunrise_zenith</a>
       <table class="doctable table">
        <caption><strong>Valeurs courantes de l&#039;angle <code class="parameter">zenith</code></strong></caption>
        
         <thead>
          <tr>
           <th>Angle</th>
           <th>Description</th>
          </tr>

         </thead>

         <tbody class="tbody">
          <tr>
           <td>90°50&#039;</td>
           <td>Levé du soleil: le point où le soleil devient visible.</td>
          </tr>

          <tr>
           <td>96°</td>
           <td>Crépuscule civil: conventionnellement utilisé pour signifier le début de l&#039;aube.</td>
          </tr>

          <tr>
           <td>102°</td>
           <td>Crépuscule nautique: le point où l&#039;horizon commence à être visible en mer.</td>
          </tr>

          <tr>
           <td>108°</td>
           <td>Crépuscule astronomique: le point où le soleil commence à être la source de toute illumination.
</td>
          </tr>

         </tbody>
        
       </table>

      </p>
     </dd>
    
    
     <dt><code class="parameter">utcOffset</code></dt>
     <dd>
      <p class="para">
       Spécifié en heures.
       Le <code class="parameter">utcOffset</code> est ignoré si
       <code class="parameter">returnFormat</code> est
       <strong><code><a href="datetime.constants.php#constant.sunfuncs-ret-timestamp">SUNFUNCS_RET_TIMESTAMP</a></code></strong>.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.date-sunrise-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
   Retourne l&#039;heure de lever du soleil dans le <code class="parameter">returnFormat</code>
   spécifié en cas de succès ou <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> si une erreur survient.
   Une raison possible de l&#039;échec est que le soleil ne se lève
   pas du tout, ce qui arrive à l&#039;intérieur des cercles
   polaires pendant une partie de l&#039;année.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-function.date-sunrise-errors">
  <h3 class="title">Erreurs / Exceptions</h3>
  <p class="para">
Chaque appel à une fonction date/heure générera un diagnostic de type
<strong><code><a href="errorfunc.constants.php#constant.e-warning">E_WARNING</a></code></strong> si le fuseau horaire n&#039;est pas valide.
Voir aussi <span class="function"><a href="function.date-default-timezone-set.php" class="function">date_default_timezone_set()</a></span></p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.date-sunrise-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>8.1.0</td>
       <td>
        Cette fonction a été rendue obsolète en faveur de <span class="function"><a href="function.date-sun-info.php" class="function">date_sun_info()</a></span>.
       </td>
      </tr>

      <tr>
       <td>8.0.0</td>
       <td>
        <code class="parameter">latitude</code>, <code class="parameter">longitude</code>,
        <code class="parameter">zenith</code> et <code class="parameter">utcOffset</code> sont désormais nullable.
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.date-sunrise-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_sunrise()</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 /><br /></span><span style="color: #FF8000">/* Calcule l'heure du lever du soleil pour Lisbonne, Portugal<br />Latitude: 38.4 North<br />Longitude: 9 West<br />Zenith ~= 90<br />offset: +1 GMT<br />*/<br /><br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">date</span><span style="color: #007700">(</span><span style="color: #DD0000">"D M d Y"</span><span style="color: #007700">). </span><span style="color: #DD0000">', sunrise time : ' </span><span style="color: #007700">.</span><span style="color: #0000BB">date_sunrise</span><span style="color: #007700">(</span><span style="color: #0000BB">time</span><span style="color: #007700">(), </span><span style="color: #0000BB">SUNFUNCS_RET_STRING</span><span style="color: #007700">, </span><span style="color: #0000BB">38.4</span><span style="color: #007700">, -</span><span style="color: #0000BB">9</span><span style="color: #007700">, </span><span style="color: #0000BB">90</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">);</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="annotation-interactive examplescode"><pre class="examplescode">Deprecated: Constant SUNFUNCS_RET_STRING is deprecated in script on line 10
Deprecated: Function date_sunrise() is deprecated since 8.1, use date_sun_info() instead in script on line 10
Mon Dec 20 2004, sunrise time : 08:54</pre>
</div>
    </div>
   </div>
   <div class="example" id="example-2">
    <p><strong>Exemple #2 Pas de levé de soleil</strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$solstice </span><span style="color: #007700">= </span><span style="color: #0000BB">strtotime</span><span style="color: #007700">(</span><span style="color: #DD0000">'2017-12-21'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">date_sunrise</span><span style="color: #007700">(</span><span style="color: #0000BB">$solstice</span><span style="color: #007700">, </span><span style="color: #0000BB">SUNFUNCS_RET_STRING</span><span style="color: #007700">, </span><span style="color: #0000BB">69.245833</span><span style="color: #007700">, -</span><span style="color: #0000BB">53.537222</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">Deprecated: Constant SUNFUNCS_RET_STRING is deprecated in script on line 3
Deprecated: Function date_sunrise() is deprecated since 8.1, use date_sun_info() instead in script on line 3
bool(false)</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.date-sunrise-seealso">
  <h3 class="title">Voir aussi</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.date-sun-info.php" class="function" rel="rdfs-seeAlso">date_sun_info()</a> - Retourne un tableau avec les informations sur le lever/coucher 
   du soleil ainsi que le d&eacute;but et la fin de l'aube</span></li>
   </ul>
  </p>
 </div>

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