gistfile1.txt

$dql = "SELECT orderStatus.id
        FROM \models\OrderStatus orderStatus
        WHERE orderStatus.isCompleted = true";

var_dump($this->getEntityManager()->createQuery($dql)->getScalarResult());
        
getScalarResult Output:
array (size=1)
  0 => 
    array (size=1)
      'id' => string '5' (length=1)
      
getResult Output: 
array (size=1)
  0 => 
    array (size=1)
      'id' => int 5
      
getArrayResult Output:
array (size=1)
  0 => 
    array (size=1)
      'id' => int 5
      
      
Desired Output:
array (size=1)
  0 => int 5