Practical CodeIgniter 3 - A new book coming soon

@kilishan
The model class have two bugs.

find($id) and find_all() need a small fix

PHP Code:

public function find_all()
    {
        $query = $this->db->get($this->table_name);

        $rows = $this->temp_return_type == 'array' ?
                    $query->result_array() :
                    $query->result($this->temp_return_type);

        $this->temp_return_type = $this->return_type;

        return $rows;
    } 


PHP Code:

public function find($id)
    {
        $query = $this->db->where($this->primary_key, $id)
                      ->get($this->table_name);

        $row = $this->temp_return_type == 'array' ?
                    $query->row_array() :
                    $query->row(0, $this->temp_return_type);

        $this->temp_return_type = $this->return_type;

        return $row;
    } 


I added "db". Without the "db" the code do not return rows