pre_user_url
Filter Hook: Filters a user’s URL before the user is created or updated.
Source: wp-includes/user.php:2234
update_user_caches()
Function: Updates all user caches.
Source: wp-includes/user.php:1884
pre_user_email
Filter Hook: Filters a user’s email before the user is created or updated.
Source: wp-includes/user.php:2211
clean_user_cache()
Function: Cleans all user caches.
Source: wp-includes/user.php:1911
pre_user_nickname
Filter Hook: Filters a user’s nickname before the user is created or updated.
Source: wp-includes/user.php:2262
username_exists()
Function: Determines whether the given username exists.
Source: wp-includes/user.php:1954
pre_user_first_name
Filter Hook: Filters a user’s first name before the user is created or updated.
Source: wp-includes/user.php:2273
email_exists()
Function: Determines whether the given email exists.
Source: wp-includes/user.php:1986
pre_user_last_name
Filter Hook: Filters a user’s last name before the user is created or updated.
Source: wp-includes/user.php:2284
validate_username()
Function: Checks whether a username is valid.
Source: wp-includes/user.php:2015