How many World Series appearances do the Phillies have?

As of the start of the 2010 season, the Phillies have played in 7 World Series:

1915, 1950, 1980, 1983, 1993, 2008, 2009

They won* the World Series in 1980 and 2008 and lost the other four.

* - This question was answered during the 2009 Series.