woocommerce_apply_individual_use_coupon хук-фильтр . WC 1.0

Filter coupons to remove when applying an individual use coupon.

Использование

add_filter( 'woocommerce_apply_individual_use_coupon', 'filter_function_name_8391', 10, 3 );
function filter_function_name_8391( $coupons, $coupon, $applied_coupons ){
	// filter...

	return $coupons;
}

$coupons(массив)

Array of coupons to remove from the cart.

$coupon(\WC_Coupon)

Coupon object applied to the cart.

$applied_coupons(массив)

Array of applied coupons already applied to the cart.

Где вызывается хук

$coupons_to_remove = array_diff( $applied_coupons, apply_filters( 'woocommerce_apply_individual_use_coupon', array(), $coupon, $applied_coupons ) );

$coupons_to_keep = apply_filters( 'woocommerce_apply_individual_use_coupon', array(), $the_coupon, $this->applied_coupons );

Где используется хук в ядре WooCommerce