Codeigniter'de iki tarih arasındaki üyeleri nasıl alabilirim?

class UserModel extends Model{    protected $table = 'users';    protected $primaryKey = 'userid';    protected $allowedFields = ['firstname', 'lastname', 'email', 'password','usercreated_at', 'userupdated_at'];    
}

$data['new_user'] = $model->where('date BETWEEN DATE_SUB(NOW(), INTERVAL 1 DAY) AND NOW()');

$this->db->where('date BETWEEN "'. date('Y-m-d', strtotime($baslangic)). '" and "'. date('Y-m-d', strtotime($bitis)).'"');

$this->db->where('date >=', $baslangic);
$this->db->where('date <=', $bitis);
return $this->db->get('users');

$this->db->where('date BETWEEN "'. date('Y-m-d', strtotime($baslangic)). '" and "'. date('Y-m-d', strtotime($bitis)).'"');

$this->db->where('date >=', $baslangic);
$this->db->where('date <=', $bitis);
return $this->db->get('users');

$data['new_user'] = $model->where('date BETWEEN "'. date('Y-m-d', strtotime('2020-11-27 14:23:28')). '" and "'. date('Y-m-d', strtotime(date('Y-m-d H:i:s'))).'"');

public function tarihlerArasi($baslangic, $bitis)
{
   return $this->db->where('date >=', $baslangic)->where('date <=', $bitis)->get('tablo_adi')->result();
}

public function getUsers($baslangic, $bitis)    {
        return $this->asArray()                   
                    ->where('usercreated_at >=', $baslangic)                    
                    ->where('usercreated_at <=', $bitis)                    
                    ->findAll();
    }

public function tarihlerArasi($baslangic, $bitis)
{
   return $this->db->where('date >=', $baslangic)->where('date <=', $bitis)->get('tablo_adi')->result();
}