domain_exists filter-hook . WP 3.5.0
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.
Usage
add_filter( 'domain_exists', 'filter_function_name_4222', 10, 4 );
function filter_function_name_4222( $result, $domain, $path, $network_id ){
// filter...
return $result;
}
- $result(int/null)
- The site ID if the site name exists, null otherwise.
- $domain(string)
- Domain to be checked.
- $path(string)
- Path to be checked.
- $network_id(int)
- Network ID. Relevant only on multi-network installations.
Where the hook is called
domain_exists
wp-includes/ms-functions.php 1500
return apply_filters( 'domain_exists', $result, $domain, $path, $network_id );