Can you give an example of opening a payment?

Question

Classmates

Can you give an example of opening a payment? without additional login window on php
TID is a token

$sign=md5("application_key={$public}code=1name=Payprice=1".md5($_COOKIE['TID'].$params['client_secret']));
echo'<a href="http://m.ok.ru/api/show-payment?application_key='.$public.'&access_token='.$_COOKIE['TID'].'&sig='.$sign.'&code=1&name=Pay&price=1">aaa</a>';

the code above was written by api does not cut, so that immediately redirect to payment and not like here