Filters the columns to search in a WP_Site_Query search.

The default columns include ‘domain’ and ‘path.

$search_columns string[]

Array of column names to be searched.

$search string

Text being searched.

$query WP_Site_Query

The current WP_Site_Query instance.

File: wp-includes/class-wp-site-query.php. View all references

$search_columns = apply_filters( 'site_search_columns', $search_columns, $this->query_vars['search'], $this );