wp_internal_hosts(): string[]
Returns an array of URL hosts which are considered to be internal hosts.
Contents
Description
By default the list of internal hosts is comproside of the PHP_URL_HOST of the site’s home_url() (as parsed by wp_parse_url() ).
This list is used when determining if a specificed URL is a link to a page on the site itself or a link offsite (to an external host). This is used, for example, when determining if the "nofollow" attribute should be applied to a link.
See also
Return
string[] An array of URL hosts.
Source
File: wp-includes/link-template.php.
View all references
function wp_internal_hosts() {
static $internal_hosts;
if ( empty( $internal_hosts ) ) {
/**
* Filters the array of URL hosts which are considered internal.
*
* @since 6.2.0
*
* @param array $internal_hosts An array of internal URL hostnames.
*/
$internal_hosts = apply_filters(
'wp_internal_hosts',
array(
wp_parse_url( home_url(), PHP_URL_HOST ),
)
);
$internal_hosts = array_unique(
array_map( 'strtolower', (array) $internal_hosts )
);
}
return $internal_hosts;
}
Hooks
-
apply_filters( 'wp_internal_hosts',
array $internal_hosts ) -
Filters the array of URL hosts which are considered internal.
Changelog
| Version | Description |
|---|---|
| 6.2.0 | Introduced. |