title: How to get not find multiple values in doctrine
body: <p>If I search entities by array in doctrine like:</p>
  
  <pre><code>$names = ['Jim', 'Anne', 'Kara'];
  $em-&gt;findByName($names);
  </code></pre>
  
  <p>How can I know then, which names could not be found? Of course, I can loop the returned array and check for each name again. But maybe there is a doctrine method that returns not found names?</p>