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suresh
Added an answer on November 12, 2018 at 6:09 pm
PayUMoney is the best payment gateway from India. You can easily integrate PayU in your Website or App to let your customer to pay through Credit Cards, Debit Cards, Net Banking and more.No lengthy codes to integrate a payment gateway. Be it a custom PHP integration, SDK implementation to your mobile App or shopping cart configuration for your online store we have got you covered.

It’s very easy to integrate in your website.Please follow the below steps.

Step 1. First sign up as a merchant account.
https://test.payumoney.com

Step 2. Once you have created your test merchant account, you will get your Merchant Id, Merchant Key, and Merchant Salt to use in your code.

Step 3. Create a directory like “onlinePay” in your server root directory {public_html} and upload the below files.

index.php:

<?php

$MERCHANT_KEY = "XXXXXXXX";
$SALT = "XXXXXXXXXXXX";
// 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('sha256', 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 = $PAYU_BASE_URL . '/_payment';
}
} elseif(!empty($posted['hash'])) {
$hash = $posted['hash'];
$action = $PAYU_BASE_URL . '/_payment';
}
?>
<html>
<head>
<script>
var hash = '<?php echo $hash ?>';
function submitPayuForm() {
if(hash == '') {
return;
}
var payuForm = document.forms.payuForm;
payuForm.submit();
}
</script>
</head>
<body onload="submitPayuForm()">
<h2>PayU Form</h2>
<br/>
<?php if($formError) { ?>

<span style="color:red">Please fill all mandatory fields.</span>
<br/>
<br/>
<?php } ?>
<form action="<?php echo $action; ?>" method="post" name="payuForm">
<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 (empty($posted['amount'])) ? '' : $posted['amount'] ?>" /></td>
<td>First Name: </td>
<td><input name="firstname" id="firstname" value="<?php echo (empty($posted['firstname'])) ? '' : $posted['firstname']; ?>" /></td>
<td>Last Name: </td>
<td><input name="lastname" id="lastname" value="<?php echo (empty($posted['lastname'])) ? '' : $posted['lastname']; ?>" /></td>

</tr>
<tr>
<td>Email: </td>
<td><input name="email" id="email" value="<?php echo (empty($posted['email'])) ? '' : $posted['email']; ?>" /></td>
<td>Phone: </td>
<td><input name="phone" value="<?php echo (empty($posted['phone'])) ? '' : $posted['phone']; ?>" /></td>
</tr>
<tr>
<td>Product Info: </td>
<td colspan="3"><textarea name="productinfo"><?php echo (empty($posted['productinfo'])) ? '' : $posted['productinfo'] ?></textarea></td>
</tr>
<tr>
<td>Success URI: </td>
<td colspan="3"><input name="surl" value="http://example.com/online-payment/success.php" size="64" /></td>
</tr>
<tr>
<td>Failure URI: </td>
<td colspan="3"><input name="furl" value="http://example.com/online-payment/failure.php" size="64" /></td>
</tr>

<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>
</form>
</body>
</html>

success.php

<?php
$status=$_POST["status"];
$firstname=$_POST["firstname"];
$amount=$_POST["amount"];
$txnid=$_POST["txnid"];
$posted_hash=$_POST["hash"];
$key=$_POST["key"];
$productinfo=$_POST["productinfo"];
$email=$_POST["email"];
$salt="XXXXXXXXXX"; // CHANGE THE SALT VALUE

// Salt should be same Post Request

If (isset($_POST["additionalCharges"])) {
$additionalCharges=$_POST["additionalCharges"];
$retHashSeq = $additionalCharges.'|'.$salt.'|'.$status.'|||||||||||'.$email.'|'.$firstname.'|'.$productinfo.'|'.$amount.'|'.$txnid.'|'.$key;
} else {
$retHashSeq = $salt.'|'.$status.'|||||||||||'.$email.'|'.$firstname.'|'.$productinfo.'|'.$amount.'|'.$txnid.'|'.$key;
}
$hash = hash("sha512", $retHashSeq);
if ($hash != $posted_hash) {
echo "Invalid Transaction. Please try again";
} else {
echo "<h3>Thank You. Your order status is ". $status .".</h3>";
echo "<h4>Your Transaction ID for this transaction is ".$txnid.".</h4>";
echo "<h4>We have received a payment of Rs. " . $amount . ". Your order will soon be shipped.</h4>";
}
?>

failure.php

<?php
$status=$_POST["status"];
$firstname=$_POST["firstname"];
$amount=$_POST["amount"];
$txnid=$_POST["txnid"];

$posted_hash=$_POST["hash"];
$key=$_POST["key"];
$productinfo=$_POST["productinfo"];
$email=$_POST["email"];
$salt="XXXXXXXXX"; // CHANGE THE SALT VALUE

// Salt should be same Post Request

If (isset($_POST["additionalCharges"])) {
$additionalCharges=$_POST["additionalCharges"];
$retHashSeq = $additionalCharges.'|'.$salt.'|'.$status.'|||||||||||'.$email.'|'.$firstname.'|'.$productinfo.'|'.$amount.'|'.$txnid.'|'.$key;
} else {
$retHashSeq = $salt.'|'.$status.'|||||||||||'.$email.'|'.$firstname.'|'.$productinfo.'|'.$amount.'|'.$txnid.'|'.$key;
}
$hash = hash("sha512", $retHashSeq);

if ($hash != $posted_hash) {
echo "Invalid Transaction. Please try again";
} else {
echo "<h3>Your order status is ". $status .".</h3>";
echo "<h4>Your transaction id for this transaction is ".$txnid.". You may try making the payment by clicking the link below.</h4>";
}
?>

Test Card Number: 5123456789012346
Test CVV: 123
Test Expiry: May 2017

Hope this will help you.Feel free to contact us
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suresh

Added an answer on April 4, 2017 at 12:12 am





<?php 
 $url = 'http://domainname.com/getPost.php'; 
 $fields = array(
 'name' => urlencode($_POST['name']),
 'email' => urlencode($_POST['email']),
 'phone' => urlencode($_POST['phone'])
 );
 foreach($fields as $key=>$value)
 { $fields_string .= $key.'='.$value.'&'; } 
 rtrim($fields_string, '&'); 
//open connection
 $ch = curl_init(); 
//set the url, number of POST vars, POST data
 curl_setopt($ch,CURLOPT_URL, $url);
 curl_setopt($ch,CURLOPT_POST, count($fields)); 
 curl_setopt($ch,CURLOPT_POSTFIELDS, $fields_string); 
//execute post 
 $result = curl_exec($ch); 
//close connection 
 curl_close($ch);


?>

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