if($getUrl)   {
$postPhoto = getApiMethod('wall.post', array(
            'owner_id' => $publicID, //номер паблика с указанием минуса
            'from_group' => "0",
            'friends_only' => 0,
            'message' => "",
            'attachments' => "photo".$publicID."_".$photo_id, ));

   }
         setLog('Отправка фото на стену '.$postPhoto);

{"error":{"error_code":100,"error_msg":"One of the parameters specified was missing or invalid: invalid message param","request_params":[{"key":"oauth","value":"1"},{"key":"method","value":"wall.post"},{"key":"attachments","value":"photo_456316165"},{"key":"friends_only","value":"0"},{"key":"from_group","value":"0"},{"key":"message","value":""},{"key":"owner_id","value":"-71257780"},{"key":"v","value":"5.63"}]}}

"key":"attachments","value":"photo_456316165"