$sth = $dbh->prepare("INSERT INTO users(
                       id, 
                       username, password,
                       first, last, 
                       email, phone, 
                       address, 
                       city, state, zip,
                       country, 
                       s_address, s_city, s_state, s_zip, s_country, 
                       intrests) VALUES ('', ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"); 
 $sth->execute(param('first'), param('last'), 
               param('username'), param('password'), 
               param('repass'), 
               param('email'), param('reemail'),
               param('phone'), 
               param('address'), param('city'), 
               param('state'), param('zip'), param('country'), 
               param('s_address'), param('s_city'), 
               param('s_state'), param('s_zip'), 
               param('s_country'));