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<div id="class.mongodb-driver-monitoring-commandsubscriber" class="reference">

 <h1 class="title">The MongoDB\Driver\Monitoring\CommandSubscriber interface</h1>
 

 <div class="partintro"><p class="verinfo">(mongodb &gt;=1.3.0)</p>


  <div class="section" id="mongodb-driver-monitoring-commandsubscriber.intro">
   <h2 class="title">Einführung</h2>
   <p class="para">
    Classes may implement this interface to register an event subscriber that is
    notified for each started, successful, and failed command event. See
    <a href="mongodb.tutorial.apm.php" class="xref">Application Performance Monitoring (APM)</a> for additional information.
   </p>
  </div>


  <div class="section" id="mongodb-driver-monitoring-commandsubscriber.synopsis">
   <h2 class="title">Interface-Übersicht</h2>


   <div class="classsynopsis">
    <span class="ooclass"><strong class="classname"></strong></span>


    <div class="classsynopsisinfo">
     <span class="ooclass">
      <span class="modifier">class</span> <strong class="classname">MongoDB\Driver\Monitoring\CommandSubscriber</strong>
     </span>

     <span class="oointerface"><span class="modifier">implements</span> 
       <a href="class.mongodb-driver-monitoring-subscriber.php" class="interfacename">MongoDB\Driver\Monitoring\Subscriber</a></span> {</div>


    <div class="classsynopsisinfo classsynopsisinfo_comment">/* Methoden */</div>
    <div class="methodsynopsis dc-description">
   <span class="modifier">abstract</span> <span class="modifier">public</span> <span class="methodname"><a href="mongodb-driver-monitoring-commandsubscriber.commandfailed.php" class="methodname">commandFailed</a></span>(<span class="methodparam"><span class="type"><a href="class.mongodb-driver-monitoring-commandfailedevent.php" class="type MongoDB\Driver\Monitoring\CommandFailedEvent">MongoDB\Driver\Monitoring\CommandFailedEvent</a></span> <code class="parameter">$event</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">abstract</span> <span class="modifier">public</span> <span class="methodname"><a href="mongodb-driver-monitoring-commandsubscriber.commandstarted.php" class="methodname">commandStarted</a></span>(<span class="methodparam"><span class="type"><a href="class.mongodb-driver-monitoring-commandstartedevent.php" class="type MongoDB\Driver\Monitoring\CommandStartedEvent">MongoDB\Driver\Monitoring\CommandStartedEvent</a></span> <code class="parameter">$event</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">abstract</span> <span class="modifier">public</span> <span class="methodname"><a href="mongodb-driver-monitoring-commandsubscriber.commandsucceeded.php" class="methodname">commandSucceeded</a></span>(<span class="methodparam"><span class="type"><a href="class.mongodb-driver-monitoring-commandsucceededevent.php" class="type MongoDB\Driver\Monitoring\CommandSucceededEvent">MongoDB\Driver\Monitoring\CommandSucceededEvent</a></span> <code class="parameter">$event</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>

   }</div>


  </div>

  <div class="section">
   <h2 class="title">Changelog</h2>
   <p class="para">
    <table class="doctable informaltable">
     
      <thead>
       <tr>
        <th>Version</th>
        <th>Beschreibung</th>
       </tr>

      </thead>

      <tbody class="tbody">
       
       <tr>
        <td>PECL mongodb 2.0.0</td>
        <td>
         Rückgabetypen, die zuvor als vorläufig deklariert waren, werden nun erzwungen.
        </td>
       </tr>


       
       <tr>
        <td>PECL mongodb 1.15.0</td>
        <td>
         Rückgabetypen für Methoden werden in PHP 8.0 und neuer als vorläufig
         deklariert, was in Code, der diese Schnittstelle implementiert, ohne
         die entsprechenden Rückgabetypen zu deklarieren, einen Hinweis auf eine
         veraltete Verwendung auslöst. Um diesen Hinweis zu unterdrücken, kann
         das Attribut <code class="code">#[ReturnTypeWillChange]</code> hinzugefügt werden.
        </td>
       </tr>


      </tbody>
     
    </table>

   </p>
  </div>
 </div>

   
 






 






 






<h2>Inhaltsverzeichnis</h2><ul class="chunklist chunklist_reference"><li><a href="mongodb-driver-monitoring-commandsubscriber.commandfailed.php">MongoDB\Driver\Monitoring\CommandSubscriber::commandFailed</a> — Notification method for a failed command</li><li><a href="mongodb-driver-monitoring-commandsubscriber.commandstarted.php">MongoDB\Driver\Monitoring\CommandSubscriber::commandStarted</a> — Notification method for a started command</li><li><a href="mongodb-driver-monitoring-commandsubscriber.commandsucceeded.php">MongoDB\Driver\Monitoring\CommandSubscriber::commandSucceeded</a> — Notification method for a successful command</li></ul>
</div>
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