functions.php

<?php

add_filter( 'rcp_login_redirect_url', __NAMESPACE__ . '\\login_redirect', PHP_INT_MAX, 2 );
/**
 * @param string $redirect URL to redirect user to.
 * @param object $user WP_User object
 *
 * @return mixed
 */
function login_redirect( $redirect, $user ) {

	$logged_in_user = get_userdata( $user->ID );

	if ( ! isset( $logged_in_user->roles ) || ! is_array( $logged_in_user->roles ) ) {
		wp_die( 'You have no role assigned.' );
	}

	$redirects = [
		/**
		 * If there is no explicit 'redirect_to' given, each role
		 * will fallback to the following ordered redirects upon
		 * logging in.
		 *
		 * role => redirect
		 */
		'administrator' => admin_url(),
		'subscriber'    => home_url( 'members-area' ),
	];

	// Fallback to user role default redirect.
	foreach ( $redirects as $role => $redirect ) {
		if ( in_array( $role, $logged_in_user->roles ) ) {
			return $redirect;
		}
	}

	// No fallback found for role, so proceed as normal.
	return $redirect;
}