public function ajax_wpl_ebay_store_categories()
{
$default_account_id = get_option('wplister_default_account_id');
$account_id = isset($_REQUEST['account_id']) ? intval($_REQUEST['account_id']) : $default_account_id;
$store_categories = EbayCategoriesModel::getEntireStoreCategoryTree(0, $account_id);
// check if callback parameter is set
if (isset($_REQUEST['callback'])) {
// return JSONP
header('content-type: application/javascript; charset=utf-8');
echo $_REQUEST['callback'] . '(' . json_encode($store_categories) . ')';
} else {
// return plain JSON
header('content-type: application/json; charset=utf-8');
echo json_encode($store_categories);
}
exit;
}
