6 functions implement hook_user_login()

Note: the procedural functions in this list are found by pattern matching, so the list may include some functions that are not actually implementations of this hook.

openid_user_login in modules/openid/openid.module

Implements hook_user_login().

SessionTestHooks::userLogin in core/modules/system/tests/modules/session_test/src/Hook/SessionTestHooks.php

Implements hook_user_login().

session_test_user_login in modules/simpletest/tests/session_test.module

Implements hook_user().

system_user_login in modules/system/system.module

Implements hook_user_login().

trigger_user_login in modules/trigger/trigger.module

Implements hook_user_login().

UserHooks::userLogin in core/modules/user/src/Hook/UserHooks.php

Implements hook_user_login().