how to add custom word press regisration form in word press 3.5 with out module [closed]

If you want to create custom register page then you use in wp-users Table

wp_create_user();

It will create the user and if you want to add custom field then save that field data in wp-usermeta table using

update_user_meta();

and last if you want to add role to the user then use

$u = new WP_User( $user_ID);
$role_of_user= $u->roles[0];
$u->remove_role($role_of_user);
$u->add_role('your_role');