WordPress Version: 5.7
/**
* Retrieves a list of sites matching requested arguments.
*
* @since 4.6.0
* @since 4.8.0 Introduced the 'lang_id', 'lang__in', and 'lang__not_in' parameters.
*
* @see WP_Site_Query::parse_query()
*
* @param string|array $args {
* Optional. Array or query string of site query parameters. Default empty.
*
* @type int[] $site__in Array of site IDs to include. Default empty.
* @type int[] $site__not_in Array of site IDs to exclude. Default empty.
* @type bool $count Whether to return a site count (true) or array of site objects.
* Default false.
* @type array $date_query Date query clauses to limit sites by. See WP_Date_Query.
* Default null.
* @type string $fields Site fields to return. Accepts 'ids' (returns an array of site IDs)
* or empty (returns an array of complete site objects). Default empty.
* @type int $ID A site ID to only return that site. Default empty.
* @type int $number Maximum number of sites to retrieve. Default 100.
* @type int $offset Number of sites to offset the query. Used to build LIMIT clause.
* Default 0.
* @type bool $no_found_rows Whether to disable the `SQL_CALC_FOUND_ROWS` query. Default true.
* @type string|array $orderby Site status or array of statuses. Accepts 'id', 'domain', 'path',
* 'network_id', 'last_updated', 'registered', 'domain_length',
* 'path_length', 'site__in' and 'network__in'. Also accepts false,
* an empty array, or 'none' to disable `ORDER BY` clause.
* Default 'id'.
* @type string $order How to order retrieved sites. Accepts 'ASC', 'DESC'. Default 'ASC'.
* @type int $network_id Limit results to those affiliated with a given network ID. If 0,
* include all networks. Default 0.
* @type int[] $network__in Array of network IDs to include affiliated sites for. Default empty.
* @type int[] $network__not_in Array of network IDs to exclude affiliated sites for. Default empty.
* @type string $domain Limit results to those affiliated with a given domain. Default empty.
* @type string[] $domain__in Array of domains to include affiliated sites for. Default empty.
* @type string[] $domain__not_in Array of domains to exclude affiliated sites for. Default empty.
* @type string $path Limit results to those affiliated with a given path. Default empty.
* @type string[] $path__in Array of paths to include affiliated sites for. Default empty.
* @type string[] $path__not_in Array of paths to exclude affiliated sites for. Default empty.
* @type int $public Limit results to public sites. Accepts '1' or '0'. Default empty.
* @type int $archived Limit results to archived sites. Accepts '1' or '0'. Default empty.
* @type int $mature Limit results to mature sites. Accepts '1' or '0'. Default empty.
* @type int $spam Limit results to spam sites. Accepts '1' or '0'. Default empty.
* @type int $deleted Limit results to deleted sites. Accepts '1' or '0'. Default empty.
* @type int $lang_id Limit results to a language ID. Default empty.
* @type string[] $lang__in Array of language IDs to include affiliated sites for. Default empty.
* @type string[] $lang__not_in Array of language IDs to exclude affiliated sites for. Default empty.
* @type string $search Search term(s) to retrieve matching sites for. Default empty.
* @type string[] $search_columns Array of column names to be searched. Accepts 'domain' and 'path'.
* Default empty array.
* @type bool $update_site_cache Whether to prime the cache for found sites. Default true.
* }
* @return array|int List of WP_Site objects, a list of site IDs when 'fields' is set to 'ids',
* or the number of sites when 'count' is passed as a query var.
*/
function get_sites($args = array())
{
$query = new WP_Site_Query();
return $query->query($args);
}