JSON API is available only in PHP 5.2.10+, so need compile-time checks for that. Also, had to refactor the way value types are stored in flags to allow for better structure and future expansion, but this necessitates clearing of the cache on upgrading to this version.
… array back in same order as the keys were requested. If the value is not found, a NULL is set for that key. Signed-off-by: Andrei Zmievski <firstname.lastname@example.org>