function prepare_items()
{
$perks = GWPerks::get_perks_listing();
$this->is_valid_key = GWPerks::has_valid_key();
if (!is_array($perks)) {
$this->items = array();
return;
}
$items = array();
$total = count($perks);
$page = gwget('paged') ? gwget('paged') : 1;
$per_page = 10;
$offset = $page * $per_page - $per_page;
$cap = $total > $offset + $per_page ? $offset + $per_page : $total;
for ($i = $offset; $i < $cap; $i++) {
$items[$perks[$i]['slug']] = array('title' => $this->get_column_title($perks[$i]), 'description' => $perks[$i]['description'], 'slug' => $perks[$i]['slug'], 'version' => $perks[$i]['version']);
}
$this->items = $items;
$this->set_pagination_args(array('total_items' => $total, 'per_page' => $per_page));
}