[WORDPRESS] Login redirecto to index

functions.php

<?php
/*
 * login redirect to index (all users)
*/
add_filter( 'login_redirect', 'my_login_redirect' );
function my_login_redirect(){
	return site_url();
}

/*
* login redirect to index or dashboard
*   - admins -> dashboard
*   - other users -> index
*/
add_filter( 'login_redirect', 'example_login_redirect', 10, 3 );
function example_login_redirect( $redirect_to, $request, $user  ) {
    return ( isset( $user->roles ) && is_array( $user->roles ) && in_array( 'administrator', $user->roles ) ) ? home_url( '/wp-admin/' ) : home_url();
} // end soi_login_redirect