WordPress at a glance
filter is not described

wp_normalize_site_data filter-hook . WP 5.1.0

Filters passed site data in order to normalize it.


add_filter( 'wp_normalize_site_data', 'filter_function_name_7046' );
function filter_function_name_7046( $data ){
	// filter...

	return $data;
Associative array of site data passed to the respective function. See {@see wp_insert_site()} for the possibly included data.

Where the hook is called

wp-includes/ms-site.php 491
$data = apply_filters( 'wp_normalize_site_data', $data );

Where the hook is used (in WP core)

wp-includes/ms-default-filters.php 42
add_filter( 'wp_normalize_site_data', 'wp_normalize_site_data', 10, 1 );