this is my login url.
$FbPerm = ['email', 'user_likes', 'user_photos'];
$FbLoginUrl = $helper->getLoginUrl('http://laravel.dev/callback-facebook.php', $FbPerm);
when user click to login button, user_photo permissions not shown.
if I add user to developer from developers.facebook.com , there is no problem facebook asking user_photos permission.