backdrop_alter in core/includes/module.inc

Passes alterable variables to specific hook_TYPE_alter() implementations.

ModuleUnitTest::testModuleImplements in core/modules/simpletest/tests/module.test

Test module_implements() caching.

module_implements_reset in core/includes/module.inc

Regenerate the stored list of hook implementations.

module_implements_write_cache in core/includes/module.inc

Writes the hook implementation cache.

_backdrop_bootstrap_full in core/includes/common.inc