CartController::parse_variation_data()
Method: If variations are set, validate and format the values ready to add to the cart.
Source: woocommerce/packages/woocommerce-blocks/src/RestApi/StoreApi/Utilities/CartController.php:215
Method: If variations are set, validate and format the values ready to add to the cart.
Source: woocommerce/packages/woocommerce-blocks/src/RestApi/StoreApi/Utilities/CartController.php:215
Method: Try to match request data to a variation ID and return the ID.
Source: woocommerce/packages/woocommerce-blocks/src/RestApi/StoreApi/Utilities/CartController.php:293