add_site_meta( int $site_id, string $meta_key, mixed $meta_value, bool $unique = false )

Adds metadata to a site.


Parameters

$site_id

(Required) Site ID.

$meta_key

(Required) Metadata name.

$meta_value

(Required) Metadata value. Must be serializable if non-scalar.

$unique

(Optional) Whether the same key should not be added.<br>

Default value: false


Return

(int|false) Meta ID on success, false on failure.


Source

File: wp-includes/ms-site.php

function add_site_meta( $site_id, $meta_key, $meta_value, $unique = false ) {
	return add_metadata( 'blog', $site_id, $meta_key, $meta_value, $unique );
}


Changelog

Changelog
Version Description
5.1.0 Introduced.