diff --git a/htdocs/public/stripe/confirm_payment.php b/htdocs/public/stripe/confirm_payment.php
index 90f21da6b6b..ea59b13dcb9 100644
--- a/htdocs/public/stripe/confirm_payment.php
+++ b/htdocs/public/stripe/confirm_payment.php
@@ -97,14 +97,14 @@ dol_syslog("POST=".var_export($_POST, true));
 
 header('Content-Type: application/json');
 
-# retrieve json from POST body
+// retrieve json from POST body
 $json_str = file_get_contents('php://input');
 $json_obj = json_decode($json_str);
 
 $intent = null;
 try {
     if (isset($json_obj->payment_method_id)) {
-        # Create the PaymentIntent
+        // Create the PaymentIntent
         $intent = \Stripe\PaymentIntent::create([
             'payment_method' => $json_obj->payment_method_id,
             'amount' => 1099,
@@ -121,32 +121,39 @@ try {
     }
     generatePaymentResponse($intent);
 } catch (\Stripe\Error\Base $e) {
-    # Display error on client
+    // Display error on client
     echo json_encode([
         'error' => $e->getMessage()
     ]);
 }
 
-function generatePaymentResponse($intent) {
+/*
+ * generate payment response
+ *
+ * @param \Stripe\PaymentIntent $intent PaymentIntent
+ * @return void
+ */
+function generatePaymentResponse($intent)
+{
     if ($intent->status == 'requires_source_action' &&
         $intent->next_action->type == 'use_stripe_sdk') {
-            # Tell the client to handle the action
-            echo json_encode([
-                'requires_action' => true,
-                'payment_intent_client_secret' => $intent->client_secret
-            ]);
-        } else if ($intent->status == 'succeeded') {
-            # The payment didn’t need any additional actions and completed!
-            # Handle post-payment fulfillment
+        // Tell the client to handle the action
+        echo json_encode([
+            'requires_action' => true,
+            'payment_intent_client_secret' => $intent->client_secret
+        ]);
+    } elseif ($intent->status == 'succeeded') {
+        // The payment didn’t need any additional actions and completed!
+        // Handle post-payment fulfillment
 
-            // TODO
+        // TODO
 
-            echo json_encode([
-                "success" => true
-            ]);
-        } else {
-            # Invalid status
-            http_response_code(500);
-            echo json_encode(['error' => 'Invalid PaymentIntent status']);
-        }
+        echo json_encode([
+            "success" => true
+        ]);
+    } else {
+        // Invalid status
+        http_response_code(500);
+        echo json_encode(['error' => 'Invalid PaymentIntent status']);
+    }
 }