dubbele titels in de reviews?

      $database = new database();
      
      $q ='SELECT * FROM nepprofielen';
      $result = $database->query($q);
      
      while($rows = mysqli_fetch_assoc($result))
      {
              echo  'Reviewer:'. $rows['voornaam']." ".$rows['achternaam']." ".'Titel: '.randomReview().'<br/>';
      
      }

      
      function checkReviewOfAlGepost($nepReviewId)
      {
          $database = new database();
          $q ='SELECT * FROM reviews WHERE nep_review_id = '.$nepReviewId.'';
          $result = $database->query($q);
         
          if (mysqli_num_rows($result))
          {
              // Reviewer heeft dit bedrijf al eens gereviewed!!
              return 1;
          }
          else
          {
              return 0;
          } 
      }
      
      function randomReview()
      {
          $database = new database();
          $q ='SELECT * FROM nepreviews ORDER BY RAND()';
          $result = $database->query($q);
          
          while ($rows = mysqli_fetch_assoc($result))
          {
              if (checkReviewOfAlGepost($rows['id']) != 1)
          {
                    return $rows['titel'];
          }
          else
          {
              return '<strong>is al gereviewed!</strong>';
          }
          }
      }