SQL in PHP Help!

I am trying to write code to log into my website. I am sure my username and password are already in the database. Can someone help me figure out what im doing wrong?

//Connect to the database (defined in dbconn.php) db_connect (Susername, $password) SEA -_POST['EA' $pass $_POST ['pass']; query-mysgl_query("SELECT CustomerID, Email, Passwd, FirstName FROM Customers WHERE email-EA AND passwordpass") session start O: S SESSION['sess user user echo "Welcome to the website!" else echo "invalid username or passowrd