CDBEasy is a project mainly written in PHP, it's free.
It is a set of utility classes to handle the CDB (Constant Database) functionality in PHP.
A Simple module to help reading and writing CDB files in php.
Limitation :
Cdb is "a fast, reliable, lightweight package for creating and reading constant databases." It is from the author of qmail and can be found at http://cr.yp.to/cdb.html. Since it is constant, It support reading/writing (PHP 4.3.0 support writing) (not updating) through the internal cdb library.
http://www.php.net/manual/en/dba.requirements.php http://www.php.net/manual/en/dba.installation.php