Description
Check whether a blogname is already taken.
Used during the new site registration process to ensure that each blogname is unique.
Usage
<?php domain_exists( $domain, $path, $site_id ); ?>
Parameters
- $domain
- (string) (required) The domain to be checked.
- Default: None
- $path
- (string) (required) The path to be checked.
- Default: None
- $site_id
- (int) (optional) Optional. Relevant only on multi-network installs.
- Default: 1
Return Values
- (int)
-
Filters
- 'domain_exists' called on return value:
apply_filters( 'domain_exists', $result, $domain, $path, $site_id )
Change Log
- Since: MU
- 'domain_exists' filter added in 3.5
Source File
domain_exists() is located in wp-includes/ms-functions.php