- hash: documentation ( source)
<?php
/*
* Fill in unhashed & hashed seeds below and click blue 'eval();' button below textarea.
*
* ------------------ */
$hashedSeed = 'c6e6d89644955822ed2c2c709ced830f17f49e5b1c29b79c76a2343a2d4a01c6c6e6d89644955822ed2c2c709ced830f17f49e5b1c29b79c76a2343a2d4a01c6';
$unhashedSeed = 'c6e6d89644955822ed2c2c709ced830f17f49e5b1c29b79c76a2343a2d4a01c6c6e6d89644955822ed2c2c709ced830f17f49e5b1c29b79c76a2343a2d4a01c';
$hash = hash('sha256', $unhashedSeed);
echo "Generated hash: $hash\n";
echo 'Does hash match? ' . ($hashedSeed == $hash ? 'Yes' : 'No') . "\n";