matt-oakley-dev

add_filter( 'searchwp\query\mods', function( $mods ) {
	$site_ids = array( 1, 2, 3 );

	$mod       = new \SearchWP\Mod();
	$tax_sql   = array();
	$posts_sql = array();
	$sql_where = array();

	$tax_query = array(
		'relation' => 'AND',

matt-oakley-dev

add_filter( 'searchwp\query\mods', array( $this, 'add_taxonomy_to_multi_site_query' ), 10, 2 );		

/**
 * Add taxonomy to multisite query
 */
public function add_taxonomy_to_multi_site_query( $mods, $query ) {
  global $wpdb;
  global $institutions; // The site IDs, i don't like its a global, but legacy.

  $mod = new \SearchWP\Mod();