index work

/home/homes/blanchepeltier/sites/PHP/res04-php-j9/controllers/UserController.php:14:
object(UserManager)[1]
  protected ?PDO 'db' => 
    object(PDO)[2]
  private string 'dbName' (AbstractManager) => string 'blanchepeltier_phpj9' (length=20)
  private string 'port' (AbstractManager) => string '3306' (length=4)
  private string 'host' (AbstractManager) => string 'db.3wa.io' (length=9)
  private string 'username' (AbstractManager) => string 'blanchepeltier' (length=14)
  private string 'password' (AbstractManager) => string '6df6213ed1bccc46589270829cdb7338' (length=32)

/home/homes/blanchepeltier/sites/PHP/res04-php-j9/managers/UserManager.php:12:
array (size=4)
  0 => 
    array (size=4)
      'id' => int 1
      'email' => string 'blanchep@gmail.com' (length=18)
      'username' => string 'Blanche' (length=7)
      'password' => string '123azerty' (length=9)
  1 => 
    array (size=4)
      'id' => int 4
      'email' => string 'blanchep@gmail.com' (length=18)
      'username' => string 'Blanche' (length=7)
      'password' => string '123azerty' (length=9)
  2 => 
    array (size=4)
      'id' => int 5
      'email' => string 'test2@test.com' (length=14)
      'username' => string 'Testing' (length=7)
      'password' => string 'AZERTY' (length=6)
  3 => 
    array (size=4)
      'id' => int 6
      'email' => string 'finalTest@gmail.com' (length=19)
      'username' => string 'Final Test' (length=10)
      'password' => string '123azerty' (length=9)

/home/homes/blanchepeltier/sites/PHP/res04-php-j9/controllers/UserController.php:15:
array (size=4)
  0 => 
    array (size=4)
      'id' => int 1
      'email' => string 'blanchep@gmail.com' (length=18)
      'username' => string 'Blanche' (length=7)
      'password' => string '123azerty' (length=9)
  1 => 
    array (size=4)
      'id' => int 4
      'email' => string 'blanchep@gmail.com' (length=18)
      'username' => string 'Blanche' (length=7)
      'password' => string '123azerty' (length=9)
  2 => 
    array (size=4)
      'id' => int 5
      'email' => string 'test2@test.com' (length=14)
      'username' => string 'Testing' (length=7)
      'password' => string 'AZERTY' (length=6)
  3 => 
    array (size=4)
      'id' => int 6
      'email' => string 'finalTest@gmail.com' (length=19)
      'username' => string 'Final Test' (length=10)
      'password' => string '123azerty' (length=9)

( ! ) Fatal error: Uncaught Error: Call to undefined function render() in /home/homes/blanchepeltier/sites/PHP/res04-php-j9/controllers/UserController.php on line 16
( ! ) Error: Call to undefined function render() in /home/homes/blanchepeltier/sites/PHP/res04-php-j9/controllers/UserController.php on line 16
Call Stack
#	Time	Memory	Function	Location
1	0.0039	358640	{main}( )	.../index.php:0
2	0.0567	361976	checkRoute( $route = '' )	.../index.php:12
3	0.0567	361976	UserController::index( )	.../Router.php:22