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<div id="mysql-xdevapi.examples" class="chapter">
 <h1 class="title">Exemples</h1>

 <p class="para">
  Le point d&#039;entrée central de l&#039;API X est la fonction <span class="function"><strong>mysql_xdevapi\getSession()</strong></span>,
  qui reçoit une URI vers un serveur MySQL 8.0 et renvoie un objet
  <span class="classname"><a href="class.mysql-xdevapi-session.php" class="classname">mysql_xdevapi\Session</a></span>.
 </p>
 <div class="example" id="example-1">
  <p><strong>Exemple #1 Connexion à un serveur MySQL</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: #007700">try {<br />    </span><span style="color: #0000BB">$session </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_xdevapi\getSession</span><span style="color: #007700">(</span><span style="color: #DD0000">"mysqlx://user:password@host"</span><span style="color: #007700">);<br />} catch(</span><span style="color: #0000BB">Exception $e</span><span style="color: #007700">) {<br />    die(</span><span style="color: #DD0000">"Connection could not be established: " </span><span style="color: #007700">. </span><span style="color: #0000BB">$e</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getMessage</span><span style="color: #007700">());<br />}<br /><br /></span><span style="color: #FF8000">// ... use $session<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
  </div>

 </div>
 <p class="para">
  La session fournit un accès complet à l&#039;API. Pour une nouvelle installation de serveur MySQL,
  la première étape consiste à créer un schéma de base de données avec une collection
  pour stocker des données :
 </p>
 <div class="example" id="example-2">
  <p><strong>Exemple #2 Création d&#039;un schéma et d&#039;une collection sur le serveur MySQL</strong></p>
  <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$schema </span><span style="color: #007700">= </span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">createSchema</span><span style="color: #007700">(</span><span style="color: #DD0000">"test"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$collection </span><span style="color: #007700">= </span><span style="color: #0000BB">$schema</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">createCollection</span><span style="color: #007700">(</span><span style="color: #DD0000">"example"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
  </div>

 </div>
 <p class="para">
  Lorsqu&#039;on stocke des données, généralement <span class="function"><a href="function.json-encode.php" class="function">json_encode()</a></span> est utilisé pour encoder
  les données en JSON, qui peuvent ensuite être stockées dans une collection.
 </p>
 <p class="para">
  Les exemples suivants stockent des données dans la collection que nous avons créée précédemment,
  puis récupèrent à nouveau des parties de ces données.
 </p>
 <div class="example" id="example-3">
  <p><strong>Exemple #3 Stocker et Récupérer des Données</strong></p>
  <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$marco </span><span style="color: #007700">= [<br />  </span><span style="color: #DD0000">"name" </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">"Marco"</span><span style="color: #007700">,<br />  </span><span style="color: #DD0000">"age"  </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">19</span><span style="color: #007700">,<br />  </span><span style="color: #DD0000">"job"  </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">"Programmer"<br /></span><span style="color: #007700">];<br /></span><span style="color: #0000BB">$mike </span><span style="color: #007700">= [<br />  </span><span style="color: #DD0000">"name" </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">"Mike"</span><span style="color: #007700">,<br />  </span><span style="color: #DD0000">"age"  </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">39</span><span style="color: #007700">,<br />  </span><span style="color: #DD0000">"job"  </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">"Manager"<br /></span><span style="color: #007700">];<br /><br /></span><span style="color: #0000BB">$schema </span><span style="color: #007700">= </span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getSchema</span><span style="color: #007700">(</span><span style="color: #DD0000">"test"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$collection </span><span style="color: #007700">= </span><span style="color: #0000BB">$schema</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getCollection</span><span style="color: #007700">(</span><span style="color: #DD0000">"example"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$collection</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">add</span><span style="color: #007700">(</span><span style="color: #0000BB">$marco</span><span style="color: #007700">, </span><span style="color: #0000BB">$mike</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$collection</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">find</span><span style="color: #007700">(</span><span style="color: #DD0000">"name = 'Mike'"</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">execute</span><span style="color: #007700">()-&gt;</span><span style="color: #0000BB">fetchOne</span><span style="color: #007700">());<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="cdata"><pre>
array(4) {
  [&quot;_id&quot;]=&gt;
  string(28) &quot;00005ad66aaf0000000000000003&quot;
  [&quot;age&quot;]=&gt;
  int(39)
  [&quot;job&quot;]=&gt;
  string(7) &quot;Manager&quot;
  [&quot;name&quot;]=&gt;
  string(4) &quot;Mike&quot;
}
</pre></div>
  </div>
 </div>
 <p class="para">
  Cet exemple démontre que le serveur MySQL ajoute un champ supplémentaire nommé
  <code class="code">_id</code>, qui sert de clé primaire au document.
 </p>
 <p class="para">
  Cet exemple démontre également que les données récupérées sont triées par ordre alphabétique.
  Cet ordre spécifique provient du stockage binaire efficace à l&#039;intérieur du serveur MySQL, mais
  il ne faut pas s&#039;y fier. Se référer à la documentation du type de données JSON de MySQL pour plus de détails.
 </p>
 <p class="para">
  Optionnellement, utiliser les itérateurs de PHP pour récupérer plusieurs documents :
 </p>
 <div class="example" id="example-4">
  <p><strong>Exemple #4 Récupérer et Itérer sur Plusieurs Documents</strong></p>
  <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$result </span><span style="color: #007700">= </span><span style="color: #0000BB">$collection</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">find</span><span style="color: #007700">()-&gt;</span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br />foreach (</span><span style="color: #0000BB">$result </span><span style="color: #007700">as </span><span style="color: #0000BB">$doc</span><span style="color: #007700">) {<br />  echo </span><span style="color: #DD0000">"</span><span style="color: #007700">{</span><span style="color: #0000BB">$doc</span><span style="color: #007700">[</span><span style="color: #DD0000">"name"</span><span style="color: #007700">]}</span><span style="color: #DD0000"> is a </span><span style="color: #007700">{</span><span style="color: #0000BB">$doc</span><span style="color: #007700">[</span><span style="color: #DD0000">"job"</span><span style="color: #007700">]}</span><span style="color: #DD0000">.\n"</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="cdata"><pre>
Marco is a Programmer.
Mike is a Manager.
</pre></div>
  </div>
 </div>
</div>
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