Returning result from recursive function

How can I return a result to the main code from within a recursive function? Just using "return $var;" in the code does not work? Should I define the variable as global and then return the value, or is there a better way to accomplsih this? Thanks. Dion ************************************************************************* * Dion Vansevenant * * Systems & Technology Analyst dion.vansevenant@rowecom.ca * * RoweCom Canada Tel: (519) 472-1005 * * P.O. Box 2382 Fax: (519) 472-1072 * * London, ON N6A 5A7 www.rowecom.ca * * Canada * *************************************************************************