public function read_manual_coupon( $code, $coupon ) {
		foreach ( $coupon as $key => $value ) {
			switch ( $key ) {
				case 'excluded_product_ids':
				case 'exclude_product_ids':
					if ( ! is_array( $coupon[ $key ] ) ) {
						wc_doing_it_wrong( $key, $key . ' should be an array instead of a string.', '3.0' );
						$coupon['excluded_product_ids'] = wc_string_to_array( $value );
					}
					break;
				case 'exclude_product_categories':
				case 'excluded_product_categories':
					if ( ! is_array( $coupon[ $key ] ) ) {
						wc_doing_it_wrong( $key, $key . ' should be an array instead of a string.', '3.0' );
						$coupon['excluded_product_categories'] = wc_string_to_array( $value );
					}
					break;
				case 'product_ids':
					if ( ! is_array( $coupon[ $key ] ) ) {
						wc_doing_it_wrong( $key, $key . ' should be an array instead of a string.', '3.0' );
						$coupon[ $key ] = wc_string_to_array( $value );
					}
					break;
				case 'individual_use':
				case 'free_shipping':
				case 'exclude_sale_items':
					if ( ! is_bool( $coupon[ $key ] ) ) {
						wc_doing_it_wrong( $key, $key . ' should be true or false instead of yes or no.', '3.0' );
						$coupon[ $key ] = wc_string_to_bool( $value );
					}
					break;
				case 'expiry_date':
					$coupon['date_expires'] = $value;
					break;
			}
		}
		$this->set_props( $coupon );
		$this->set_code( $code );
		$this->set_id( 0 );
		$this->set_virtual( true );
	}