Issue #3270758 by abramm: Rename variables to better reflect what they are doing

src/Plugin/Commerce/PaymentGateway/Omise.php

@@ -520,14 +520,15 @@ class Omise extends OnsitePaymentGatewayBase implements OmiseInterface {
       }
     }
     else {
-      $card_token = \OmiseToken::retrieve(
+      $existingCard = \OmiseToken::retrieve(
         $payment_details['omise_token'],
         $this->configuration['public_key'],
         $this->configuration['secret_key']
       );
-      $card = $card_token['card'];
-      $card['id'] = $payment_details['omise_token'];
-      return $card;
+      $cardByToken = $existingCard['card'];
+      // TODO: Pass token instead of card ID?
+      $cardByToken['id'] = $payment_details['omise_token'];
+      return $cardByToken;
     }
 
     return [];