user_pass_reset_url($account, $options = array()) Generates a unique URL for a user to log in and reset their

user_role_grant_permissions($rid, array $permissions = array()) Grant permissions to a user role.

public User::setExistingPassword($password) Sets

Enables the user registration and login system. File core/modules/user/user.module

user_role_revoke_permissions($rid, array $permissions = array()) Revoke permissions from a user role.

The user being cancelled. Type:

An interface for validating user authentication credentials. Hierarchy interface \Drupal\user\

Validates user authentication credentials. Hierarchy class \Drupal\user\

The permission handler. Type:

The current user. Type: