When you insert the data into the database:
$salt="A3rT7"; //can be whatever you want
$password=crypt(md5(sha1($salt.$_POST[password]))); //functions and variables can be in any order you want
Both of you-I don't see why you can't learn from PHP.net.
It lists all of the functions along with their parameters. Does it tell you what a variable is and what a loop is? No, but for a function reference, PHP.net has the latest and best on Ming and image functions.