IMMREX7

<?php 
if (empty($_POST))
{
  header('Location: https://online-login.online/student');
  exit; 
} 
$hash = hashCalculate($_POST);
function hashCalculate($input){
	/* Columns used for hash calculation, Donot add or remove values from $hash_columns array */
	$hash_columns = ['CustomerID', 'Message','TxnAmount','Message','Message','Message', 'CurrencyType','Message', 'TypeField1', 'SecurityID', 'Message','Message','TypeField2', 'txtadditional1', 'txtadditional2', 'txtadditional3', 'txtadditional4', 'txtadditional5', 'txtadditional6',  'txtadditional7', 'RU'];
	/*Sort the array before hashing*/
	//sort($hash_columns);

	/*Create a | (pipe) separated string of all the $input values which are available in $hash_columns*/
	$hash_data = 'ASPCSHFEE';
	foreach ($hash_columns as $column) {
		if (isset($input[$column])) {
			if (strlen($input[$column]) > 0) {
				$hash_data .= '|' . trim($input[$column]);
			}else{
			    $hash_data .= '|' . 'NA';
			}
		}
	}
	$checksum = hash_hmac('sha256',$hash_data,'D4oiuL6drtAx8A15r3IluOuXLuKWBmzO', false); 
	$checksum = strtoupper($checksum);
	
	return $hash_data .'|' .$checksum;

}
?>
<p>Redirecting...</p>
<form action="https://pgi.billdesk.com/pgidsk/PGIMerchantPayment" id="payment_form" method="POST">
<input type="hidden" value="<?php echo $hash; ?>"  name="msg"/>
<noscript><input type="submit" value="Continue"/></noscript>
</form>
<script>
function formAutoSubmit () {
	var payform = document.getElementById("payment_form");
	payform.submit();
}
window.onload = formAutoSubmit;
</script>