WordPress: Redirect User at Login

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<?php

add_filter('login_redirect', 'change_login_redirect', 10, 3 );
function change_login_redirect( $redirect_to, $request, $user) {

	/*
		using $user, you can change this on a per-user basis if you want
	*/

	// options.php is just a sample, change as needed
	return admin_url('options.php');
}