Originally Posted by Arcticwarrio
echo sha1(19 . uniqid(mt_rand(), true));
outputs this for me
For me it outputted 1d6523e70706d7811e55ab15ba91f2432eeda1e8
since it is using a random value you'd expect it to return a different value each time - but each of these is 40 characters, not the 42 in the original post.