WordPress at a glance
filter is not described

woocommerce_include_processing_order_count_in_menu filter-hook . WC 1.0

Add count if user has access.

Usage

add_filter( 'woocommerce_include_processing_order_count_in_menu', 'filter_function_name_2065' );
function filter_function_name_2065( $true ){
	// filter...

	return $true;
}
$true
-

Where the hook is called

WC_Admin_Menus::menu_order_count()
woocommerce_include_processing_order_count_in_menu
woocommerce/includes/admin/class-wc-admin-menus.php 188
if ( apply_filters( 'woocommerce_include_processing_order_count_in_menu', true ) && current_user_can( 'edit_others_shop_orders' ) ) {

Where in WP core the hook is used WooCommerce

Usage not found.