Papa John's International, Inc. (NASDAQ: PZZA) yesterday announced flat domestic systemwide comparable sales growth for the four weeks ended July 29, 2001, composed of a 0.9% increase at franchised restaurants and a 3.3% decrease at company-owned restaurants. Total systemwide international sales increased 23.7% for the four-week period, on a constant U.S. dollar basis, over the comparable period last year.