WordPress at a glance
filter is not described

populate_network_meta filter-hook . WP 3.7.0

Filters meta for a network on creation.

Usage

add_filter( 'populate_network_meta', 'filter_function_name_4851', 10, 2 );
function filter_function_name_4851( $sitemeta, $network_id ){
	// filter...

	return $sitemeta;
}
$sitemeta(array)
Associative array of network meta keys and values to be inserted.
$network_id(int)
ID of network to populate.

Where the hook is called

populate_network()
wp-admin/includes/schema.php 1031
$sitemeta = apply_filters( 'populate_network_meta', $sitemeta, $network_id );

Where the hook is used (in WP core)

Does not used.