OS: Mac OSX 10.5.3
Seems like the behavior of realpath is changed post 5.2.4 by the Suhosin to avoid possible exploitations on some platforms.
Real path returns true if the file doesn;t exist. Will have to check for file existence before calling realpath.
Keywords: php5 compatibility, realpath
Please try latest SVN and report if it is now working (see the diff on )
Closing (no feedback reported).