installer_manager_update_form in core/modules/installer/installer.manager.inc
Form constructor for the update form of the Installer module.
theme_update_report in core/modules/update/update.theme.inc
Returns HTML for the project status report.
theme_update_status_label in core/modules/update/update.theme.inc
Returns HTML for a label to display for a project's update status.
update_calculate_project_update_status in core/modules/update/update.compare.inc
Calculates the current update status of a specific project.
_update_message_text in core/modules/update/update.module
Returns the appropriate message text when site is out of date or not secure.
_update_requirement_check in core/modules/update/update.install
Fills in the requirements array.