Wordpress roles

/**
 * Redirect user after successful login.
 *
 * @param string $redirect_to URL to redirect to.
 * @param string $request URL the user is coming from.
 * @param object $user Logged user's data.
 * @return string
 */
function my_login_redirect( $redirect_to, $request, $user ) {
    //is there a user to check?
    if ( isset( $user->roles ) && is_array( $user->roles ) ) {
        //check for admins
        if ( in_array( 'administrator', $user->roles ) ) {
            // redirect them to the default place
            return $redirect_to;
        } else {
            return home_url();
        }
    } else {
        return $redirect_to;
    }
}
 
add_filter( 'login_redirect', 'my_login_redirect', 10, 3 );

https://codex.wordpress.org/Plugin_API/Filter_Reference/login_redirect

function my_login_redirect( $redirect_to, $request, $user ) {
    if( !isset( $user->user_login ) ){ // we only want this to run when credentials have been supplied
        return $redirect_to;
    }
    //is there a user to check?
    if (isset($user->roles) && is_array($user->roles)) {
        //check for subscribers
        if (in_array('subscriber', $user->roles)) {
            // redirect them to another URL, in this case, the homepage
            $redirect_to =  '<em><u>hidden link</u></em>';
        }
 
        if (in_array('contributor', $user->roles)) {
            // redirect them to another URL, in this case, the search page
            $redirect_to = '<em><u>hidden link</u></em>';
        }
 
        // copy and paste the block above for each role
    }
 
    return $redirect_to;
}
 
add_filter( 'login_redirect', 'my_login_redirect', 10, 3 );

https://toolset.com/forums/topic/need-to-have-1-login-form-that-redirects-based-on-wp_user-role/