- 1.20.x authorize.php MAINTENANCE_MODE
- 1.20.x install.php MAINTENANCE_MODE
- 1.20.x update.php MAINTENANCE_MODE
Global flag indicating that update.php is being run.
When this flag is set, various operations do not take place, such as invoking hook_init() and hook_exit(), css/js preprocessing, and translation.
This constant is defined using define() instead of const so that PHP versions older than 5.3 can display the proper PHP requirements instead of causing a fatal error.
File
- ./
update.php, line 48 - Administrative page for handling updates from one Backdrop version to another.
Code
define('MAINTENANCE_MODE', 'update')