woocommerce_apply_with_individual_use_coupon хук-фильтр . WC 1.0

Filters if a coupon can be applied alongside other individual use coupons.

Использование

add_filter( 'woocommerce_apply_with_individual_use_coupon', 'filter_function_name_5547', 10, 4 );
function filter_function_name_5547( $apply_with_individual_use_coupon, $coupon, $individual_use_coupon, $applied_coupons ){
	// filter...

	return $apply_with_individual_use_coupon;
}

$apply_with_individual_use_coupon(true|false)

Defaults to false.

$coupon(\WC_Coupon)

Coupon object applied to the cart.

$individual_use_coupon(\WC_Coupon)

Individual use coupon already applied to the cart.

$applied_coupons(массив)

Array of applied coupons already applied to the cart.

Где вызывается хук

if ( false === apply_filters( 'woocommerce_apply_with_individual_use_coupon', false, $coupon, $individual_use_coupon, $applied_coupons ) ) {

if ( $coupon->get_individual_use() && false === apply_filters( 'woocommerce_apply_with_individual_use_coupon', false, $the_coupon, $coupon, $this->applied_coupons ) ) {

Где используется хук в ядре WooCommerce