(PHP 4 >= 4.3.0, PHP 5, PHP 7) List all open database files

(PHP 4, PHP 5, PHP 7) Replace or insert entry

(PHP 4, PHP 5, PHP 7) Fetch data specified by key

(PHP 4, PHP 5, PHP 7) Fetch first key string

(PHP 4, PHP 5, PHP 7) Fetch next key string dba_nextkey

(PHP 4 >= 4.3.0, PHP 5, PHP 7) List all the handlers available

(PHP 4, PHP 5, PHP 7) Synchronize database bool

(PHP 5, PHP 7) Splits a key in string representation into array representation

(PHP 4, PHP 5, PHP 7) Open database persistently

(PHP 4, PHP 5, PHP 7) Optimize database bool