boolean PEAR_PackageUpdate::savePreferences (
Saves the user's preferences to the preference file.
The path to the file to save user's preferences to.
throws PEAR_PACKAGEUPDATE_ERROR_PREFFILE_WRITEACCESS, when user's preference file has no WRITE access right.
throws PEAR_PACKAGEUPDATE_ERROR_PREFFILE_WRITEERROR, when an I/O error occured while writing user's preference file contents.
This function can not be called statically.
boolean - TRUE if the user's preferences were saved successfully, FALSE othewise.