|wp-includes/formatting.php: sanitize_user()|| |
Sanitizes a username, stripping out unsafe characters.
|wp-includes/plugin.php: do_action()|| |
Execute functions hooked on a specific action hook.
|wp-includes/user.php: wp_create_user()|| |
A simpler way of inserting a user into the database.
|wp-includes/user.php: delete_user_option()|| |
Delete user option with global blog capability.
|wp-includes/ms-functions.php: wpmu_new_user|| |
Fires immediately after a new user is created.
|wp-includes/load.php: is_wp_error()|| |
Check whether variable is a WordPress Error.