Uses DBA database locking for synchronization.
- string handler Defines the DBA handler to use. If omitted, autodetection
This handler completes the configuration.
_open (boolean $write)
Internal helper, which opens a handle to the DBA file in either
read-only or read/write mode.
The handle has to be closed by the
The handle is stored in $_handle
booleanSet to true to enable read/write access with the corresponding exclusive lock. Otherwise
shared read-only mode is used.
The full database filename.
The current handle, controlled by _open() and _close().
The handler to use