get_main_network_id filter-hook . WP 4.3.0
Filters the main network ID.
Usage
add_filter( 'get_main_network_id', 'filter_function_name_3043' );
function filter_function_name_3043( $main_network_id ){
// filter...
return $main_network_id;
}
- $main_network_id(int)
- The ID of the main network.
Where the hook is called
get_main_network_id
wp-includes/functions.php 5036
return (int) apply_filters( 'get_main_network_id', $main_network_id );