FlatDB is a PHP library that provides a convenient way to use flat-files as a storage engine aka a database. It provides everything that you’d expect from a fully shipped DB solution, such as table support and a normalize interface to deserialize/serialize it’s models.
Features
Please use the documentation to get an overview of what you can expect from FlatDB: http://codecanyon.net/item/flatdb-flatfile-db-library/5356831/faqs/17319