WordPress at a glance
filter is not described

woocommerce_thankyou_order_id filter-hook . WC 1.0

Get the order.

Usage

add_filter( 'woocommerce_thankyou_order_id', 'filter_function_name_8475' );
function filter_function_name_8475( $absint ){
	// filter...

	return $absint;
}
$absint
-

Where the hook is called

WC_Shortcode_Checkout::order_received()
woocommerce_thankyou_order_id
woocommerce/includes/shortcodes/class-wc-shortcode-checkout.php 233
$order_id  = apply_filters( 'woocommerce_thankyou_order_id', absint( $order_id ) );

Where in WP core the hook is used WooCommerce

Usage not found.