Online PHP editor | output for F4ebX

<?php /* * Fill in all five below and click blue 'eval();' button below textarea. * * ------------------ */ $server_seed_hash = ''; #SHA-256 Server SEED $server_seed = ''; #Server SEED $client_seed = ''; #Client SEED $nonce = ''; #NONCE /* ------------------ */ if ($server_seed_hash == '' || $server_seed == '' || $client_seed == '' || $nonce == '') exit("Fill in details"); $server_seed_sha256 = hash('sha256', $server_seed); $hash = hash('sha256', $server_seed.'|'.$client_seed.'|'.$nonce); $num = hexdec(substr($hash, 0, 8)) % 1000; echo "Hash matches: ".($server_seed_hash == $server_seed_sha256 ? 'Yes': 'No')."\n"; echo "Generated number: $num";