Silly code comments you've left to yourself
# MD5 TESTING - Adding time salt to passwords won't work, it isn't reversible!
echo 'MD5(): ' . md5(date('ymdHis', time()) . 'password-is-yummy-salty-safety-' . $pw);
A very silly, what-the-hell-was-I-thinking-when-I-wrote-this note to myself.