Model sharing variables in functions? [solved]

[eluser]ywftdg[/eluser]
Nevermind, i'm retarded, you declare it at the very beging of the model, for example:

Code:

class Reports_model extends Model {

        var $rate = '';
        
       /////////////////////////////////////////////
       function Reports_model()    {
         parent::Model();
        
    }
  
    
    /////////////////////////////////////////////
    function get_royalty_rate($id)    {