(string|array)$args Optional. Array or string of arguments. See WP_Network_Query::parse_query() for information on accepted arguments. Default empty array.
Required: No
默认: array()
返回:
(array|int) List of WP_Network objects, a list of network IDs when 'fields' is set to 'ids', or the number of networks when 'count' is passed as a query var.