Convert base64'd SHA1 hashes to Hex hashes

Question

I have a list of passwords in mySQL that are generated using

$hash = \'{SHA}\' . base64_encode(sha1(\'some string here\', true));

I need t

Answer 1

$binary = base64_decode(substr($hash, 5));
$hex = bin2hex($binary);

Answer 2

Well base64_decode() can be found in the base64_encode manual entry.
And I am sure they have a way to convert raw format in the sha1 manual entry comments, if it's too hard for you to write it yourself