username_exists
Filter Hook: Filters whether the given username exists.
Source: wp-includes/user.php:1971
profile_update
Action Hook: Fires immediately after an existing user is updated.
Source: wp-includes/user.php:2482
get_user_meta()
Function: Retrieves user meta field for a user.
Source: wp-includes/user.php:1189
update_user_meta()
Function: Updates user meta field based on user ID.
Source: wp-includes/user.php:1215
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
get_blogs_of_user()
Function: Gets the sites a user belongs to.
Source: wp-includes/user.php:950
pre_get_blogs_of_user
Filter Hook: Filters the list of a user’s sites before it is populated.
Source: wp-includes/user.php:973