domain_exists()
最后更新于:2021-11-26 02:42:19
domain_exists( string$domain, string$path, int$network_id=1)Checks whether a site name is already taken.
参数
- $domain
-
(string) (Required) The domain to be checked.
- $path
-
(string) (Required) The path to be checked.
- $network_id
-
(int) (Optional) Network ID. Relevant only on multi-network installations.
Default value: 1
响应
(int|null) The site ID if the site name exists, null otherwise.
源文件
文件: gc-includes/ms-functions.php
function domain_exists( $domain, $path, $network_id = 1 ) {
$path = trailingslashit( $path );
$args = array(
'network_id' => $network_id,
'domain' => $domain,
'path' => $path,
'fields' => 'ids',
'number' => 1,
'update_site_meta_cache' => false,
);
$result = get_sites( $args );
$result = array_shift( $result );
/**
* Filters whether a site name is taken.
*
* The name is the site's subdomain or the site's subdirectory
* path depending on the network settings.
*
* @since 3.5.0
*
* @param int|null $result The site ID if the site name exists, null otherwise.
* @param string $domain Domain to be checked.
* @param string $path Path to be checked.
* @param int $network_id Network ID. Relevant only on multi-network installations.
*/
return apply_filters( 'domain_exists', $result, $domain, $path, $network_id );
}