access variable from different method within same model

[eluser]ranjitbd[/eluser]

Code:

// this is a model class
class Holiday_model extends Model
{
  function Holiday_model()
  {
      parent::Model();
      $this->load->database(‘holiday’, TRUE);
  }

  function view_package()
  {
      $sql = “select * from package_details”;
// i want to use this $sql in the method get_package_details()mentioned below

      $query = $this->db->query($sql);
      return $query->result_array();
  }

  function get_package_details($id)
  {
// here how can i access the $sql from view_package() method mentioned above.and set it within $new_sql
    
      $new_sql = ;//please write here the code

      $row =  $new_sql.” where id = ‘$id’”;
    
      $query = $this->db->query($row);
      return $query->row_array();
  }

}
?>