/home/homes/guillaumetessier/sites/php/res03-php-j5/exo-hydratation/index.php:70:
object(User)[2]
  private int 'id' => int -1
  private string 'firstName' => string 'Clark' (length=5)
  private string 'lastName' => string 'Kent' (length=4)
  private string 'email' => string 'clark.kent@test.fr' (length=18)