W3cubDocs

/WordPress

apply_filters( 'domain_exists', int|null $result, string $domain, string $path, int $network_id )

Filters whether a site name is taken.

Description

The name is the site’s subdomain or the site’s subdirectory path depending on the network settings.

Parameters

$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.

Source

File: wp-includes/ms-functions.php

View on Trac

Used By

Used By Description
wp-includes/ms-functions.php: domain_exists()

Checks whether a site name is already taken.

Changelog

Version Description
3.5.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/hooks/domain_exists