original_string: public function reverse($transactionId, $amount, $trackData, $authorizedAmount = null, HpsEncryptionData $encryptionData = null, HpsTransactionDetails $details = null, $clientTransactionId = null)
      {
          HpsInputValidation::checkAmount($amount);
  
          /* Build the transaction request. */
          $xml = new DOMDocument();
          $hpsTransaction = $xml->createElement('hps:Transaction');
          $hpsGiftCard = $xml->createElement('hps:DebitReversal');
          $hpsBlock1 = $xml->createElement('hps:Block1');
  
          $hpsBlock1->appendChild($xml->createElement('hps:GatewayTxnId', $transactionId));
          $hpsBlock1->appendChild($xml->createElement('hps:TrackData', $trackData));
          $hpsBlock1->appendChild($xml->createElement('hps:Amt', $amount));
          if ($encryptionData != null) {
              $hpsBlock1->appendChild($this->_hydrateEncryptionData($encryptionData, $xml));
          }
          if ($details != null) {
              $hpsBlock1->appendChild($this->_hydrateAdditionalTxnFields($details, $xml));
          }
  
  
          if (isset($authorizedAmount)) {
              $hpsBlock1->appendChild($xml->createElement('hps:authAmt', $authorizedAmount));
              $hpsBlock1->appendChild($xml->createElement('hps:authAmtSpecified', true));
          }
  
          $hpsGiftCard->appendChild($hpsBlock1);
          $hpsTransaction->appendChild($hpsGiftCard);
  
          $rsp = $this->_submitTransaction($hpsTransaction, 'DebitReversal', $clientTransactionId);
          $rsp->responseCode = '00';
          $rsp->responseText = '';
  
          return $rsp;
      }
code: public function reverse($transactionId, $amount, $trackData, $authorizedAmount = null, HpsEncryptionData $encryptionData = null, HpsTransactionDetails $details = null, $clientTransactionId = null)
      {
          HpsInputValidation::checkAmount($amount);
  
          /* Build the transaction request. */
          $xml = new DOMDocument();
          $hpsTransaction = $xml->createElement('hps:Transaction');
          $hpsGiftCard = $xml->createElement('hps:DebitReversal');
          $hpsBlock1 = $xml->createElement('hps:Block1');
  
          $hpsBlock1->appendChild($xml->createElement('hps:GatewayTxnId', $transactionId));
          $hpsBlock1->appendChild($xml->createElement('hps:TrackData', $trackData));
          $hpsBlock1->appendChild($xml->createElement('hps:Amt', $amount));
          if ($encryptionData != null) {
              $hpsBlock1->appendChild($this->_hydrateEncryptionData($encryptionData, $xml));
          }
          if ($details != null) {
              $hpsBlock1->appendChild($this->_hydrateAdditionalTxnFields($details, $xml));
          }
  
  
          if (isset($authorizedAmount)) {
              $hpsBlock1->appendChild($xml->createElement('hps:authAmt', $authorizedAmount));
              $hpsBlock1->appendChild($xml->createElement('hps:authAmtSpecified', true));
          }
  
          $hpsGiftCard->appendChild($hpsBlock1);
          $hpsTransaction->appendChild($hpsGiftCard);
  
          $rsp = $this->_submitTransaction($hpsTransaction, 'DebitReversal', $clientTransactionId);
          $rsp->responseCode = '00';
          $rsp->responseText = '';
  
          return $rsp;
      }
code_tokens: public function reverse ( $ transactionId , $ amount , $ trackData , $ authorizedAmount = null , HpsEncryptionData $ encryptionData = null , HpsTransactionDetails $ details = null , $ clientTransactionId = null ) { HpsInputValidation :: checkAmount ( $ amount ) ; /* Build the transaction request. */ $ xml = new DOMDocument ( ) ; $ hpsTransaction = $ xml -> createElement ( 'hps:Transaction' ) ; $ hpsGiftCard = $ xml -> createElement ( 'hps:DebitReversal' ) ; $ hpsBlock1 = $ xml -> createElement ( 'hps:Block1' ) ; $ hpsBlock1 -> appendChild ( $ xml -> createElement ( 'hps:GatewayTxnId' , $ transactionId ) ) ; $ hpsBlock1 -> appendChild ( $ xml -> createElement ( 'hps:TrackData' , $ trackData ) ) ; $ hpsBlock1 -> appendChild ( $ xml -> createElement ( 'hps:Amt' , $ amount ) ) ; if ( $ encryptionData != null ) { $ hpsBlock1 -> appendChild ( $ this -> _hydrateEncryptionData ( $ encryptionData , $ xml ) ) ; } if ( $ details != null ) { $ hpsBlock1 -> appendChild ( $ this -> _hydrateAdditionalTxnFields ( $ details , $ xml ) ) ; } if ( isset ( $ authorizedAmount ) ) { $ hpsBlock1 -> appendChild ( $ xml -> createElement ( 'hps:authAmt' , $ authorizedAmount ) ) ; $ hpsBlock1 -> appendChild ( $ xml -> createElement ( 'hps:authAmtSpecified' , true ) ) ; } $ hpsGiftCard -> appendChild ( $ hpsBlock1 ) ; $ hpsTransaction -> appendChild ( $ hpsGiftCard ) ; $ rsp = $ this -> _submitTransaction ( $ hpsTransaction , 'DebitReversal' , $ clientTransactionId ) ; $ rsp -> responseCode = '00' ; $ rsp -> responseText = '' ; return $ rsp ; }
docstring: A Debit Reversal transaction reverses a Debit Charge or Debit Return transaction.
  
  @param string                $transactionId       The gateway transaciton ID of the charge to be reversed.
  @param double                $amount              Authorization amount.
  @param string                $trackData           Track data read from the card by the card reader.
  @param double                $authorizedAmount    Settlement amount or New Authorization amount after reversal occures.
  @param HpsEncryptionData     $encryptionData      E3 encryption data group.
  @param HpsTransactionDetails $details             Group containing additional transaction fields to be included in detail reporting.
  @param string                $clientTransactionId Optional client transaction ID.
  
  @return HpsDebitReversal The reversal result.
docstring_tokens: A Debit Reversal transaction reverses a Debit Charge or Debit Return transaction .