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pgResponse.php
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pgResponse.php
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<?php
header("Pragma: no-cache");
header("Cache-Control: no-cache");
header("Expires: 0");
// following files need to be included
require_once("./lib/config_paytm.php");
require_once("./lib/encdec_paytm.php");
$paytmChecksum = "";
$paramList = array();
$isValidChecksum = "FALSE";
$paramList = $_POST;
$paytmChecksum = isset($_POST["CHECKSUMHASH"]) ? $_POST["CHECKSUMHASH"] : ""; //Sent by Paytm pg
//Verify all parameters received from Paytm pg to your application. Like MID received from paytm pg is same as your application�s MID, TXN_AMOUNT and ORDER_ID are same as what was sent by you to Paytm PG for initiating transaction etc.
$isValidChecksum = verifychecksum_e($paramList, PAYTM_MERCHANT_KEY, $paytmChecksum); //will return TRUE or FALSE string.
if($isValidChecksum == "TRUE") {
echo '<!DOCTYPE html>
<html lang="en">
<head>
</head>
<body>
<div class="text" style=" display: flex;font-family: system-ui;
font-weight: 600;
flex-direction: column;color: slategray;
align-items: center;">';
// echo "<b>Checksum matched and following are the transaction details:</b>" . "<br/>";
if ($_POST["STATUS"] == "TXN_SUCCESS") {
echo '<img src="giphy.webp" width="20%" height="20%" >
<div style="font-size: 4rem;">Transaction Successful</div>';
// echo "<b>Transaction status is success</b>" . "<br/>";
//Process your transaction here as success transaction.
//Verify amount & order id received from Payment gateway with your application's order id and amount.
}
else {
echo '<img src="giphy.gif" width="20%" height="20%" >
<div style="font-size: 4rem;">Transaction Failed</div>';
// echo "<b>Transaction status is failure</b>" . "<br/>";
}
echo'
<p style="font-size: 2rem;">You will be redirected to home Page in 30 seconds, or <a href="index.html">click_here</a></p>
</div>
</body>
</html>';
header('Refresh:30; url= index.html');
// if (isset($_POST) && count($_POST)>0 )
// {
// foreach($_POST as $paramName => $paramValue) {
// echo "<br/>" . $paramName . " = " . $paramValue;
// }
// }
}
else {
// echo "<b>Checksum mismatched.</b>";
//Process transaction as suspicious.
header('location:index.html');
}
?>