if($con->connect_errno)
{
	header("location:logout.php");	
}

class User {
    public name = 'myName';
}

$user = new User; // Создаем объект, экземпляр класса User.
echo $user->name; // Выведет на экран myName

array (size=3)
  0 => 
      'first_name' => string 'Maayan' (length=6)
      'last_name' => string 'Levy' (length=4)
      'password' => string '1234' (length=4)
  1 => 
      'first_name' => string 'Moshe' (length=5)
      'last_name' => string 'Cohen' (length=5)
      'password' => string '4321' (length=4)
  2 => 
      'first_name' => string 'Moshe' (length=5)
      'last_name' => string 'Cohen' (length=5)
      'password' => string '4321' (length=4)

array (size=3)
  0 => 
    object(stdClass)[3]
      public 'first_name' => string 'Maayan' (length=6)
      public 'last_name' => string 'Levy' (length=4)
      public 'password' => string '1234' (length=4)
  1 => 
    object(stdClass)[4]
      public 'first_name' => string 'Moshe' (length=5)
      public 'last_name' => string 'Cohen' (length=5)
      public 'password' => string '4321' (length=4)
  2 => 
    object(stdClass)[5]
      public 'first_name' => string 'Moshe' (length=5)
      public 'last_name' => string 'Cohen' (length=5)
      public 'password' => string '4321' (length=4)