WP_User_Query::__unset()
Method: Makes private properties un-settable for backward compatibility.
Source: wp-includes/class-wp-user-query.php:1287
pre_get_users
Action Hook: Fires before the WP_User_Query has been parsed.
Source: wp-includes/class-wp-user-query.php:290
WP_User_Query::__call()
Method: Makes private/protected methods readable for backward compatibility.
Source: wp-includes/class-wp-user-query.php:1302
user_search_columns
Filter Hook: Filters the columns to search in a WP_User_Query search.
Source: wp-includes/class-wp-user-query.php:757
pre_user_query
Action Hook: Fires after the WP_User_Query has been parsed, and before the query is executed.
Source: wp-includes/class-wp-user-query.php:818