All on the same site? Set a cookie. If they are on different domains or subdomains you will have to pass a variable via query string when moving from one to the other, as cookies can only be read on the specific domain they are set on. - encrypt user id
- encrypt password
- set a cookie for each. Use a SESSION cookie that expires when the browser is closed - low maintenance
Your login sub will look something like
if (login_fields) { use login field values to set u and p }
else {
read cookie
decrypt values
use decrypted values to set u and p
}
if (no u and p) { return to login }
look up matching u and p in DB
if (found) { go to requested page }
else { return to login }
