Not able to login to freshdesk. I am using the below written code. Can someone tell me what is the issue?? Thanks in advance!!

gistfile1.txt

function getSSOUrl($strName, $strEmail) {
	$time = time();
	return FRESHDESK_BASE_URL.
			"login/sso/?name=".
			urlencode($strName).
			"&email=".
			urlencode($strEmail).
			"&timestamp=".
			$time.
			"&hash=".
			getHash($strName,$strEmail,$time);
}
 
function getHash($strName, $strEmail, $time) {

	$to_be_hashed = $strName . FRESHDESK_SHARED_SECRET . $strEmail . $time;
	return hash_hmac('md5', $to_be_hashed, FRESHDESK_SHARED_SECRET);
}