# Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

`DBA_LMDB_USE_SUB_DIR` (int)
  LMDB Driver flag to allow the creation of a subdirectory for the database files. Available as of PHP 8.2.0.
`DBA_LMDB_NO_SUB_DIR` (int)
  LMDB Driver flag to disallow the creation of a subdirectory for the database files. Available as of PHP 8.2.0.

`↑` and `↓` to navigate • `Enter` to select • `Esc` to close • `/` to open