BackdropDatabaseCache::flush in core/includes/cache.inc

Implements BackdropCacheInterface::flush().

BackdropWebTestCase::clearWatchdog in core/modules/simpletest/backdrop_web_test_case.php

Clears the watchdog database table.

DatabaseDeleteTruncateTestCase::testTruncate in core/modules/simpletest/tests/database_test.test

Confirm that we can truncate a whole table successfully.

DatabaseTransactionTestCase::cleanUp in core/modules/simpletest/tests/database_test.test

Start over for a new test.

dblog_clear_log_submit in core/modules/dblog/dblog.admin.inc

Form submission handler for dblog_clear_log_form().

MenuLanguageTestCase::setUp in core/modules/menu/tests/menu_language.test

Set up test environment.

MenuLinksUnitTestCase::createLinkHierarchy in core/modules/simpletest/tests/menu.test

Create a simple hierarchy of links.

update_fix_requirements in core/includes/update.inc

Perform Drupal 7.x to Backdrop 1.x updates that are required for update.php to function properly.

_menu_router_save in core/includes/menu.inc

Saves data from menu_router_build() to the router table.