public function apply_alternative()
{
if (isset($_POST['original']) && isset($_POST['alternative'])) {
$ori_id = $_POST['original'];
$alt_id = $_POST['alternative'];
$categories = isset($_POST['copy_categories']) && $_POST['copy_categories'] == 'on';
$tags = isset($_POST['copy_tags']) && $_POST['copy_tags'] == 'on';
$meta = isset($_POST['copy_meta']) && $_POST['copy_meta'] == 'on';
NelioABSettings::set_copy_metadata($meta);
NelioABSettings::set_copy_categories($categories);
NelioABSettings::set_copy_tags($tags);
require_once NELIOAB_UTILS_DIR . '/wp-helper.php';
NelioABWPHelper::overwrite($ori_id, $alt_id, $meta, $categories, $tags);
echo 'OK';
die;
}
}