<?php
// for transaction
$str = 'OtomaX|' + $memberId + '|' + $product + '|' + $dest + '|' + $refID + '|' + $pin + '|' + $password;
// for deposite ticket
// $str = 'OtomaX|ticket|' + $memberId + '|' + $pin + '|' + $password + '|' + $amount;
// for check balance
// $str = 'OtomaX|balance|' + $memberId + '|' + $pin + '|' + $password;
$sign = str_replace('/', '_', str_replace('+', '-' , rtrim(base64_encode(sha1($str, true)), '=')));
echo $sign;
// result $sign = 'vlrN9Yuu4xHAT8_bXIUHKw2NjHo'
?>