Fix some WPCS 3 warnings.

src/Extension.php

@@ -171,7 +171,7 @@ public static function payment_gateways( $wc_gateways ) {
 	/**
 	 * Register blocks payment method types.
 	 *
-	 * @param PaymentMethodRegistry $payment_method_registry
+	 * @param PaymentMethodRegistry $payment_method_registry Payment method registery.
 	 * @return void
 	 */
 	public static function blocks_payment_method_type_registration( PaymentMethodRegistry $payment_method_registry ) {

src/Gateway.php

@@ -343,6 +343,7 @@ public function init_form_fields() {
 	 *
 	 * @param int $order_id WooCommerce order ID.
 	 * @return array
+	 * @throws \Exception Throws exception if the payment cannot be initiated.
 	 */
 	public function process_payment( $order_id ) {
 		// Gateway.
@@ -478,7 +479,7 @@ public function process_payment( $order_id ) {
 	/**
 	 * New Pronamic payment from WooCommerce order.
 	 *
-	 * @param WC_Order $order
+	 * @param WC_Order $order Order.
 	 * @return Payment
 	 */
 	private function new_pronamic_payment_from_wc_order( WC_Order $order ) {
@@ -845,9 +846,9 @@ public function maybe_add_subscriptions_support() {
 	/**
 	 * Process refund.
 	 *
-	 * @param int        $order_id
-	 * @param float|null $amount
-	 * @param string     $reason
+	 * @param int        $order_id Order ID.
+	 * @param float|null $amount   Amount.
+	 * @param string     $reason   Reason.
 	 * @return bool|\WP_Error
 	 */
 	public function process_refund( $order_id, $amount = null, $reason = '' ) {

src/OrderHelper.php

@@ -18,6 +18,9 @@
 use WC_Order;
 use WC_Tax;
 
+/**
+ * Order helper class
+ */
 class OrderHelper {
 	/**
 	 * WooCommerce order.

src/SubscriptionHelper.php

@@ -13,6 +13,9 @@
 use Pronamic\WordPress\Pay\Subscriptions\Subscription;
 use WC_Subscription;
 
+/**
+ * Subscription helper class
+ */
 class SubscriptionHelper {
 	/**
 	 * WooCommerce subscription.

src/SubscriptionUpdater.php

@@ -17,6 +17,9 @@
 use Pronamic\WordPress\Pay\Subscriptions\SubscriptionPhase;
 use WC_Subscription;
 
+/**
+ * Subscription updater class
+ */
 class SubscriptionUpdater {
 	/**
 	 * WooCommerce subscription.
@@ -180,7 +183,7 @@ public function update_pronamic_subscription() {
 
 		$pronamic_subscription->set_next_payment_date( empty( $next_date ) ? null : new \DateTimeImmutable( $next_date ) );
 
-		// Lines
+		// Lines.
 		$pronamic_subscription->lines = $order_helper->get_lines();
 	}
 

src/WooCommerce.php

@@ -168,8 +168,8 @@ public static function get_order_pay_url( $order ) {
 	/**
 	 * Add notice.
 	 *
-	 * @param string $message
-	 * @param string $type
+	 * @param string $message Message.
+	 * @param string $type    Type.
 	 * @return void
 	 */
 	public static function add_notice( $message, $type = 'success' ) {
@@ -222,9 +222,7 @@ public static function order_has_status( $order, $status ) {
 	 * Get order status.
 	 *
 	 * @since 1.2.1
-	 *
-	 * @param WC_Order $order
-	 *
+	 * @param WC_Order $order Order.
 	 * @return string
 	 */
 	public static function order_get_status( $order ) {