count_users()
Function: Counts number of users who have each of the user roles.
Source: wp-includes/user.php:1243
update_user_option()
Function: Updates user option with global blog capability.
Source: wp-includes/user.php:742
delete_user_option()
Function: Deletes user option with global blog capability.
Source: wp-includes/user.php:769
get_users()
Function: Retrieves list of users matching criteria.
Source: wp-includes/user.php:790
count_many_users_posts()
Function: Gets the number of posts written by a list of users.
Source: wp-includes/user.php:619
get_current_user_id()
Function: Gets the current user’s ID.
Source: wp-includes/user.php:655
get_user_option()
Function: Retrieves user option that can be either per Site or per Network.
Source: wp-includes/user.php:682
get_user_option_{$option}
Filter Hook: Filters a specific user option value.
Source: wp-includes/user.php:718
wp_authenticate_username_password()
Function: Authenticates a user, confirming the username and password are valid.
Source: wp-includes/user.php:135
wp_authenticate_user
Filter Hook: Filters whether the given user can be authenticated with the provided password.
Source: wp-includes/user.php:180