- hash_hmac: documentation ( source)
- base64_encode: documentation ( source)
- json_encode: documentation ( source)
<?php
echo base64_encode(
hash_hmac(
'sha512',
'VB-USA' . \json_encode(['order_id' => 1000001067]) . 'VB-USA',
'6c5e27ca-fe94-4e2d-a940-ac7ba4fedd49'
)
);