WordPress Code Reference

pre_get_blogs_of_user

Summery Summery

Filters the list of a user’s sites before it is populated.

apply_filters( 'pre_get_blogs_of_user', null|array $sites, int $user_id, bool $all )

Passing a non-null value to the filter will effectively short circuit get_blogs_of_user(), returning that value instead.

$sites: An array of site objects of which the user is a member.
$user_id: User ID.
$all: Whether the returned array should contain all sites, including those marked 'deleted', 'archived', or 'spam'. Default false.

Changelog
Version	Description
4.6.0	Introduced.