woocommerce_shortcode_order_tracking_order_id │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_shortcode_order_tracking_order_id', 'wp_kama_woocommerce_shortcode_order_tracking_id_filter' );

/**
 * Function for `woocommerce_shortcode_order_tracking_order_id` filter-hook.
 * 
 * @param  $order_id 
 *
 * @return 
 */
function wp_kama_woocommerce_shortcode_order_tracking_id_filter( $order_id ){

	// filter...
	return $order_id;
}

$order_id

-

Where the hook is called

$order = wc_get_order( apply_filters( 'woocommerce_shortcode_order_tracking_order_id', $order_id ) );

Where the hook is used in WooCommerce

add_filter( 'woocommerce_shortcode_order_tracking_order_id', 'wc_sanitize_order_id' );