original_string: public function execute()
      {
          parent::execute();
  
          HpsInputValidation::checkCurrency($this->currency);
          HpsInputValidation::checkAmount($this->amount);
  
          $xml = new DOMDocument();
          $hpsTransaction = $xml->createElement('hps:Transaction');
          $hpsCreditReversal = $xml->createElement('hps:CreditReversal');
          $hpsBlock1 = $xml->createElement('hps:Block1');
  
          $hpsBlock1->appendChild($xml->createElement('hps:Amt', $this->amount));
  
          if ($this->authAmount != null) {
              $hpsBlock1->appendChild($xml->createElement('hps:AuthAmt', $this->authAmount));
          }
  
          if ($this->card != null) {
              $cardData = $xml->createElement('hps:CardData');
              $cardData->appendChild($this->service->_hydrateManualEntry(
                  $this->card,
                  $xml
              ));
              $hpsBlock1->appendChild($cardData);
          } else if ($this->token != null) {
              $cardData = $xml->createElement('hps:CardData');
              $cardData->appendChild($this->service->_hydrateTokenData(
                  $this->token,
                  $xml
              ));
              $hpsBlock1->appendChild($cardData);
          } else {
              $hpsBlock1->appendChild($xml->createElement('hps:GatewayTxnId', $this->transactionId));
          }
  
          if ($this->details != null) {
              $hpsBlock1->appendChild($this->service->_hydrateAdditionalTxnFields($this->details, $xml));
          }
  
          $hpsCreditReversal->appendChild($hpsBlock1);
          $hpsTransaction->appendChild($hpsCreditReversal);
  
          return $this->service->_submitTransaction($hpsTransaction, 'CreditReversal', (isset($this->details->clientTransactionId) ? $this->details->clientTransationId : null));
      }
code: public function execute()
      {
          parent::execute();
  
          HpsInputValidation::checkCurrency($this->currency);
          HpsInputValidation::checkAmount($this->amount);
  
          $xml = new DOMDocument();
          $hpsTransaction = $xml->createElement('hps:Transaction');
          $hpsCreditReversal = $xml->createElement('hps:CreditReversal');
          $hpsBlock1 = $xml->createElement('hps:Block1');
  
          $hpsBlock1->appendChild($xml->createElement('hps:Amt', $this->amount));
  
          if ($this->authAmount != null) {
              $hpsBlock1->appendChild($xml->createElement('hps:AuthAmt', $this->authAmount));
          }
  
          if ($this->card != null) {
              $cardData = $xml->createElement('hps:CardData');
              $cardData->appendChild($this->service->_hydrateManualEntry(
                  $this->card,
                  $xml
              ));
              $hpsBlock1->appendChild($cardData);
          } else if ($this->token != null) {
              $cardData = $xml->createElement('hps:CardData');
              $cardData->appendChild($this->service->_hydrateTokenData(
                  $this->token,
                  $xml
              ));
              $hpsBlock1->appendChild($cardData);
          } else {
              $hpsBlock1->appendChild($xml->createElement('hps:GatewayTxnId', $this->transactionId));
          }
  
          if ($this->details != null) {
              $hpsBlock1->appendChild($this->service->_hydrateAdditionalTxnFields($this->details, $xml));
          }
  
          $hpsCreditReversal->appendChild($hpsBlock1);
          $hpsTransaction->appendChild($hpsCreditReversal);
  
          return $this->service->_submitTransaction($hpsTransaction, 'CreditReversal', (isset($this->details->clientTransactionId) ? $this->details->clientTransationId : null));
      }
code_tokens: public function execute ( ) { parent :: execute ( ) ; HpsInputValidation :: checkCurrency ( $ this -> currency ) ; HpsInputValidation :: checkAmount ( $ this -> amount ) ; $ xml = new DOMDocument ( ) ; $ hpsTransaction = $ xml -> createElement ( 'hps:Transaction' ) ; $ hpsCreditReversal = $ xml -> createElement ( 'hps:CreditReversal' ) ; $ hpsBlock1 = $ xml -> createElement ( 'hps:Block1' ) ; $ hpsBlock1 -> appendChild ( $ xml -> createElement ( 'hps:Amt' , $ this -> amount ) ) ; if ( $ this -> authAmount != null ) { $ hpsBlock1 -> appendChild ( $ xml -> createElement ( 'hps:AuthAmt' , $ this -> authAmount ) ) ; } if ( $ this -> card != null ) { $ cardData = $ xml -> createElement ( 'hps:CardData' ) ; $ cardData -> appendChild ( $ this -> service -> _hydrateManualEntry ( $ this -> card , $ xml ) ) ; $ hpsBlock1 -> appendChild ( $ cardData ) ; } else if ( $ this -> token != null ) { $ cardData = $ xml -> createElement ( 'hps:CardData' ) ; $ cardData -> appendChild ( $ this -> service -> _hydrateTokenData ( $ this -> token , $ xml ) ) ; $ hpsBlock1 -> appendChild ( $ cardData ) ; } else { $ hpsBlock1 -> appendChild ( $ xml -> createElement ( 'hps:GatewayTxnId' , $ this -> transactionId ) ) ; } if ( $ this -> details != null ) { $ hpsBlock1 -> appendChild ( $ this -> service -> _hydrateAdditionalTxnFields ( $ this -> details , $ xml ) ) ; } $ hpsCreditReversal -> appendChild ( $ hpsBlock1 ) ; $ hpsTransaction -> appendChild ( $ hpsCreditReversal ) ; return $ this -> service -> _submitTransaction ( $ hpsTransaction , 'CreditReversal' , ( isset ( $ this -> details -> clientTransactionId ) ? $ this -> details -> clientTransationId : null ) ) ; }
docstring: Creates a reverse transaction through the HpsCreditService
docstring_tokens: Creates a reverse transaction through the HpsCreditService