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card-checkout.php
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<?php
$MERCHANT_KEY = "---Check the merchant key---";
$SALT = "---Check the salt---";
// Merchant Key and Salt as provided by Payu.
$PAYU_BASE_URL = "https://sandboxsecure.payu.in"; // For Sandbox Mode
// $PAYU_BASE_URL = "https://secure.payu.in"; // For Production Mode
$action = '';
$posted = array();
if(!empty($_POST)) {
//print_r($_POST);
foreach($_POST as $key => $value) {
$posted[$key] = $value;
}
}
$formError = 0;
if(empty($posted['txnid'])) {
// Generate random transaction id
$txnid = substr(hash('sha512', mt_rand() . microtime()), 0, 20);
} else {
$txnid = $posted['txnid'];
}
$hash = '';
// Hash Sequence
$hashSequence = "key|txnid|amount|productinfo|firstname|email|udf1|udf2|udf3|udf4|udf5|udf6|udf7|udf8|udf9|udf10";
if(empty($posted['hash']) && sizeof($posted) > 0) {
if(
empty($posted['key'])
|| empty($posted['txnid'])
|| empty($posted['amount'])
|| empty($posted['firstname'])
|| empty($posted['email'])
|| empty($posted['phone'])
|| empty($posted['productinfo'])
|| empty($posted['surl'])
|| empty($posted['furl'])
|| empty($posted['service_provider'])
) {
$formError = 1;
} else {
//$posted['productinfo'] = json_encode(json_decode('[{"name":"tutionfee","description":"","value":"500","isRequired":"false"},{"name":"developmentfee","description":"monthly tution fee","value":"1500","isRequired":"false"}]'));
$hashVarsSeq = explode('|', $hashSequence);
$hash_string = '';
foreach($hashVarsSeq as $hash_var) {
$hash_string .= isset($posted[$hash_var]) ? $posted[$hash_var] : '';
$hash_string .= '|';
}
$hash_string .= $SALT;
$hash = strtolower(hash('sha512', $hash_string));
$action = $PAYU_BASE_URL . '/_payment';
}
} else if(!empty($posted['hash'])) {
$hash = $posted['hash'];
$action = $PAYU_BASE_URL . '/_payment';
}
?>
<html>
<head>
<script>
var hash = '<?php echo $hash ?>';
function submitPayuForm() {
if(hash == '') {
return;
}
var payuForm = document.forms.payuForm;
payuForm.submit();
}
</script>
</head>
<body onload="submitPayuForm()">
<h2>Redirecting to the Payment Gateway</h2>
<br/>
<?php if($formError) { ?>
<span style="color:red">Please fill all mandatory fields.</span>
<br/>
<br/>
<?php } ?>
<form action="<?php echo $action; ?>" method="post" name="payuForm">
<div style='display:none'>
<input type="hidden" name="key" value="<?php echo $MERCHANT_KEY ?>" />
<input type="hidden" name="hash" value="<?php echo $hash ?>"/>
<input type="hidden" name="txnid" value="<?php echo $txnid ?>" />
<table>
<tr>
<td>Amount: </td>
<td><input name="amount" value="<?php echo $_POST['amount'] ?>" /></td>
<td>First Name: </td>
<td><input name="firstname" id="firstname" value="<?php echo $_POST['firstname']; ?>" /></td>
</tr>
<tr>
<td>Email: </td>
<td><input name="email" id="email" value="<?php echo $_POST['email']; ?>" /></td>
<td>Phone: </td>
<td><input name="phone" value="<?php echo $_POST['phone']; ?>" /></td>
</tr>
<tr>
<td>Product Info: </td>
<td colspan="3"><textarea name="productinfo"><?php echo $_POST['productinfo']; ?></textarea></td>
</tr>
<input type='hidden' name="surl" value="http://localhost/php/vodi-internship/includes/success.php" size="64" />
<input type='hidden' name="furl" value="http://localhost/php/vodi-internship/includes/failure.php" size="64" />
<tr>
<td colspan="3"><input type="hidden" name="service_provider" value="payu_paisa" size="64" /></td>
</tr>
<tr>
<?php if(!$hash) { ?>
<td colspan="4"><input type="submit" value="Submit" /></td>
<?php } ?>
</tr>
</table>
</div>
</form>
</body>
</html>
<script>
window.onload = function(){
document.forms['payuForm'].submit();
}
</script>