'; $app_secret = ''; $app_id = ''; $id = ''; $api = Api::init($app_id, $app_secret, $access_token); $api->setLogger(new CurlLogger()); $fields = array( ); $params = array( 'ad_format' => 'DESKTOP_FEED_STANDARD', 'product_item_ids' => array(''), 'dynamic_customization' => array('language' => 'fr_XX','country' => 'FR'), ); echo json_encode((new AdCreative($id))->getPreviews( $fields, $params )->getResponse()->getContent(), JSON_PRETTY_PRINT);