I'm afraid this is the first I've heard of a "php" flavoured Blosxom. Try dropping the "/+php" bit from the end of the URL.
SQLite is provided by Apple with the current version of OS X; I don't know when
it was first included with OS X, but I know it has been present
from at least OS X 10.8.5
(Mountain Lion). If you open the
application, which you can find in
which sqlite3, you should see the program.
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