dba_popen Open database persistently resourcedba_popen stringpath stringmode stringhandler ... dba_popen establishes a persistent database instance for path with mode using handler. path is commonly a regular path in your filesystem. mode is "r" for read access, "w" for read/write access to an already existing database, "c" for read/write access and database creation if it doesn't currently exist, and "n" for create, truncate and read/write access. handler is the name of the handler which shall be used for accessing path. It is passed all optional parameters given to dba_popen and can act on behalf of them. dba_popen returns a positive handle or &false;, in the case the open is successful or fails, respectively. See also: dba_open dba_close