constant REQUIREMENT_WARNING

Requirement severity -- Warning condition; proceed but flag warning.

13 uses of REQUIREMENT_WARNING

backdrop_requirements_url in core/includes/install.inc: Returns a URL for proceeding to the next page after a requirements problem.
ckeditor5_requirements in core/modules/ckeditor5/ckeditor5.install: Implements hook_requirements().
ckeditor_requirements in core/modules/ckeditor/ckeditor.install: Implements hook_requirements().
image_requirements in core/modules/image/image.install: Implements hook_requirements() to check the PHP GD Library.
install_verify_requirements in core/includes/install.core.inc: Verifies the requirements for installing Backdrop.

core/includes/install.inc, line 30: API functions for installing modules and themes.

define('REQUIREMENT_WARNING', 1)