constant USER_REGISTER_ADMINISTRATORS_ONLY

Only administrators can create user accounts.

8 uses of USER_REGISTER_ADMINISTRATORS_ONLY

CommentInterfaceTest::assertCommentLinks in core/modules/comment/tests/comment.test: Asserts that comment links appear according to the passed environment.
CommentInterfaceTest::testCommentLinks in core/modules/comment/tests/comment.test: Tests comment links.
theme_comment_post_forbidden in core/modules/comment/comment.theme.inc: Returns HTML for a "you can't post comments" notice.
UserEditedOwnAccountTestCase::testUserEditedOwnAccount in core/modules/user/tests/user.test: Tests a user editing their own account.
UserRegistrationTestCase::testRegistrationWithEmailVerification in core/modules/user/tests/user.test

core/modules/user/user.module, line 30: Enables the user registration and login system.

define('USER_REGISTER_ADMINISTRATORS_ONLY', 'admin_only')