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<div id="mysql-xdevapi-collection.replaceone" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Collection::replaceOne</h1>
  <p class="verinfo">(No version information available, might only be in Git)</p><p class="refpurpose"><span class="refname">Collection::replaceOne</span> &mdash; <span class="dc-title">Ersetzt ein Dokument einer Sammlung</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-mysql-xdevapi-collection.replaceone-description">
  <h3 class="title">Beschreibung</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>mysql_xdevapi\Collection::replaceOne</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$id</code></span>, <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$doc</code></span>): <span class="type"><a href="class.mysql-xdevapi-result.php" class="type mysql_xdevapi\Result">mysql_xdevapi\Result</a></span></div>

  <p class="para rdfs-comment">
   Aktualisiert (oder ersetzt) das durch die ID angegebene Dokument, sofern es
   vorhanden ist.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-mysql-xdevapi-collection.replaceone-parameters">
  <h3 class="title">Parameter-Liste</h3>
  <dl>
   
    <dt><code class="parameter">id</code></dt>
    <dd>
     <p class="para">
      Die ID des Dokuments, das ersetzt oder aktualisiert werden soll.
      Normalerweise ist dies die _id, die vom MySQL-Server beim Hinzufügen des
      Datensatzes erzeugt wurde.
     </p>
    </dd>
   
   
    <dt><code class="parameter">doc</code></dt>
    <dd>
     <p class="para">
      Das Dokument, mit dem das zum Parameter <code class="parameter">id</code>
      gehörende Dokument aktualisiert oder ersetzt werden soll.
     </p>
     <p class="para">
      Dieses Dokument kann entweder ein Dokument-Objekt sein oder eine gültige
      JSON-Zeichenkette, die das neue Dokument beschreibt.
     </p>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-mysql-xdevapi-collection.replaceone-returnvalues">
  <h3 class="title">Rückgabewerte</h3>
  <p class="para">
   Gibt ein Result-Objekt zurück, das verwendet werden kann, um die Anzahl der
   betroffenen Elemente und die Anzahl der durch die Operation erzeugten
   Warnungen abzufragen.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-mysql-xdevapi-collection.replaceone-examples">
  <h3 class="title">Beispiele</h3>
  <div class="example" id="example-1">
   <p><strong>Beispiel #1 <span class="function"><strong>mysql_xdevapi\Collection::replaceOne()</strong></span>-Beispiel</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$session </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_xdevapi\getSession</span><span style="color: #007700">(</span><span style="color: #DD0000">"mysqlx://user:password@localhost"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"DROP DATABASE IF EXISTS addressbook"</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"CREATE DATABASE addressbook"</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$schema     </span><span style="color: #007700">= </span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getSchema</span><span style="color: #007700">(</span><span style="color: #DD0000">"addressbook"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$collection </span><span style="color: #007700">= </span><span style="color: #0000BB">$schema</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">createCollection</span><span style="color: #007700">(</span><span style="color: #DD0000">"people"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">$collection</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">add</span><span style="color: #007700">(</span><span style="color: #DD0000">'{"name": "Alfred", "age": 18, "job": "Butler"}'</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">// Normalerweise ist die _id aus anderen Quellen bekannt, aber für<br />// dieses Beispiel rufen wir die generierte ID ab und verwenden sie<br /></span><span style="color: #0000BB">$ids       </span><span style="color: #007700">= </span><span style="color: #0000BB">$result</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getGeneratedIds</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$alfred_id </span><span style="color: #007700">= </span><span style="color: #0000BB">$ids</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">];<br /><br /></span><span style="color: #FF8000">// ...<br /><br /></span><span style="color: #0000BB">$alfred </span><span style="color: #007700">= </span><span style="color: #0000BB">$collection</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getOne</span><span style="color: #007700">(</span><span style="color: #0000BB">$alfred_id</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$alfred</span><span style="color: #007700">[</span><span style="color: #DD0000">'age'</span><span style="color: #007700">] = </span><span style="color: #0000BB">81</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$alfred</span><span style="color: #007700">[</span><span style="color: #DD0000">'job'</span><span style="color: #007700">] = </span><span style="color: #DD0000">'Guru'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$collection</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">replaceOne</span><span style="color: #007700">(</span><span style="color: #0000BB">$alfred_id</span><span style="color: #007700">, </span><span style="color: #0000BB">$alfred</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

  </div>
 </div>


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