PXPost Sample Code

PHP using CUrl

The Sample Code will not work without the following:
* cURL extension for PHP (http://www.php.net/manual/en/ref.curl.php)
* SSL Certificate
* Development Account setup with DPS

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Standard Request Page

<?php /* # # This function is a simple example of # how to send and receive Payment Express XML # messages to process a transaction. # */ function process_request($name,$amount,$ccnum,$ccmm,$ccyy,$merchRef) { $cmdDoTxnTransaction .= "<Txn>"; $cmdDoTxnTransaction .= "<PostUsername>TestUsername</PostUsername>"; #Insert your DPS Username here $cmdDoTxnTransaction .= "<PostPassword>TestPassword</PostPassword>"; #Insert your DPS Password here $cmdDoTxnTransaction .= "<Amount>$amount</Amount>"; $cmdDoTxnTransaction .= "<InputCurrency>USD</InputCurrency>"; $cmdDoTxnTransaction .= "<CardHolderName>$name</CardHolderName>"; $cmdDoTxnTransaction .= "<CardNumber>$ccnum</CardNumber>"; $cmdDoTxnTransaction .= "<DateExpiry>$ccmm$ccyy</DateExpiry>"; $cmdDoTxnTransaction .= "<TxnType>Purchase</TxnType>"; $cmdDoTxnTransaction .= "<MerchantReference>$merchRef</MerchantReference>"; $cmdDoTxnTransaction .= "</Txn>"; $URL = "www.paymentexpress.com/pxpost.aspx"; //echo "\n\n\n\nSENT:\n$cmdDoTxnTransaction\n\n\n\n\n$"; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL,"https://".$URL); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS,$cmdDoTxnTransaction); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); //curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); //Needs to be included if no *.crt is available to verify SSL certificates curl_setopt($ch,CURLOPT_SSLVERSION,3); $result = curl_exec ($ch); curl_close ($ch); parse_xml($result); } function parse_xml($data) { $xml_parser = xml_parser_create(); xml_parse_into_struct($xml_parser, $data, $vals, $index); xml_parser_free($xml_parser); $params = array(); $level = array(); foreach ($vals as $xml_elem) { if ($xml_elem['type'] == 'open') { if (array_key_exists('attributes',$xml_elem)) { list($level[$xml_elem['level']],$extra) = array_values($xml_elem['attributes']); } else { $level[$xml_elem['level']] = $xml_elem['tag']; } } if ($xml_elem['type'] == 'complete') { $start_level = 1; $php_stmt = '$params'; while($start_level < $xml_elem['level']) { $php_stmt .= '[$level['.$start_level.']]'; $start_level++; } $php_stmt .= '[$xml_elem[\'tag\']] = $xml_elem[\'value\'];'; eval($php_stmt); } } /* Uncommenting this block will display the entire array and show all values returned. echo "<pre>"; print_r ($params); echo "</pre>"; */ $success = $params[TXN][SUCCESS]; $MerchantReference = $params[TXN][$success][MERCHANTREFERENCE]; $CardHolderName = $params[TXN][$success][CARDHOLDERNAME]; $AuthCode = $params[TXN][$success][AUTHCODE]; $Amount = $params[TXN][$success][AMOUNT]; $CurrencyName = $params[TXN][$success][CURRENCYNAME]; $TxnType = $params[TXN][$success][TXNTYPE]; $CardNumber = $params[TXN][$success][CARDNUMBER]; $DateExpiry = $params[TXN][$success][DATEEXPIRY]; $CardHolderResponseText = $params[TXN][$success][CARDHOLDERRESPONSETEXT]; $CardHolderResponseDescription = $params[TXN][$success][CARDHOLDERRESPONSEDESCRIPTION]; $MerchantResponseText = $params[TXN][$success][MERCHANTRESPONSETEXT]; $DPSTxnRef = $params[TXN][$success][DPSTXNREF]; $html = "<table align='center' width='500' style='FONT-SIZE: 10pt; FONT-FAMILY: Arial, Helvetica, sans-serif'>"; $html .= "<BR><hr><BR>"; $html .= "<tr><td>Merchant Reference: </td><td>$MerchantReference</td></tr>"; $html .= "<tr><td>CardHolderName: </td><td>$CardHolderName</td></tr>"; $html .= "<tr><td>AuthCode: </td><td>$AuthCode</td></tr>"; $html .= "<tr><td>Amount: </td><td>$Amount</td></tr>"; $html .= "<tr><td>CurrencyName: </td><td>$CurrencyName</td></tr>"; $html .= "<tr><td>DateExpiry: </td><td>$DateExpiry</td></tr>"; $html .= "<tr><td>CardHolderResponseText: </td><td>$CardHOlderResponseText</td></tr>"; $html .= "<tr><td>CardHolderResponseDescription: </td><td>$CardHolderResponseDescription</td></tr>"; $html .= "<tr><td>MerchantResponseText: </td><td>$MerchantResponseText</td></tr>"; $html .= "<tr><td>TxnType: </td><td>$TxnType</td></tr>"; $html .= "<tr><td>DPSTxnRef: </td><td>$DPSTxnRef</td></tr>"; $html .= "</table>"; //$html .= " </div> <div class='pxFooter'> Copyright 2007 Direct Payment Solutions Ltd. All rights reserved. | <a href='http://www.paymentexpress.com/about/paymentexpress/legal_notice.html'>Legal Notice</a> | <a href='http://www.paymentexpress.com/about/paymentexpress/privacy_policy.html'>Privacy Policy</a> </div> </div> </body> </html>