1. 1.16.x includes/bootstrap.inc LANGUAGE_SYSTEM
  2. 1.17.x includes/bootstrap.inc LANGUAGE_SYSTEM
  3. 1.18.x includes/bootstrap.inc LANGUAGE_SYSTEM

System language (only applicable to UI).

Refers to the language used in Backdrop and module/theme source code.

File

includes/bootstrap.inc, line 190
Functions that need to be loaded on every Backdrop request.

Code

define('LANGUAGE_SYSTEM', 'system')