Filters a user’s URL before the user is created or updated.
pre_user_email
Filters a user’s email before the user is created or updated.
pre_user_nicename
Filters a user’s nicename before the user is created or updated.
wp_insert_user
Insert a user into the database.
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validate_username
Filters whether the provided username is valid or not.
validate_username
Checks whether a username is valid.
email_exists
Determines whether the given email exists.
username_exists
Filters whether the given username exists or not.
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username_exists
Determines whether the given username exists.
clean_user_cache
Fires immediately after the given user’s cache is cleaned.
clean_user_cache
Clean all user caches
update_user_caches
Update all user caches
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user_{$field}
Filters the value of a user field in a standard context.
pre_user_{$field}
Filters the value of a user field in the ‘db’ context.
edit_user_{$field}
Filters a user field value in the ‘edit’ context.