3v4l.org

run code in 200+ PHP versions simultaneously
<?php /* * Fill in unhashed & hashed seeds below and click blue 'eval();' button below textarea. * * ------------------ */ $hashedSeed = 'paste initial hashed server seed here'; $unhashedSeed = 'paste given unhashed server seed here'; $hash = hash('sha256', $unhashedSeed); echo "Generated hash: $hash\n"; echo 'Does hash match? ' . ($hashedSeed == $hash ? 'Yes' : 'No') . "\n";
based on pvK8r