Вот часть содержимого "{$product|print_r}"
Array ( [g8x3jtldma] => Array ( [product] => Catalog\Model\Orm\Product Object ( [fast_mark_offers_use:protected] => [fast_mark_multioffers_use:protected] => [fast_mark_virtual_multioffers_use:protected] => [keep_update_prod_cat:protected] => 1 [keep_spec_dirs:protected] => [cache_visible_property:protected] => [cache_amount_step:protected] => [cache_warehouse_stick:protected] => [user_cost:protected] => 98.10 [stock:protected] => [full_stock:protected] => [offer_xcost:protected] => Array ( ) [dir_alias_cache:protected] => Array ( ) [calculate_user_cost:protected] => Array ( [4] => 90.00 [5] => 140.00 [12] => 140.00 [13] => 90.00 [14] => 97.00 [15] => 108.00 [16] => 112.50 [17] => 122.00 [19] => 87.00 [20] => 92.70 [21] => 98.10 ) [files:protected] => [dimensions_object:protected] => [_values:protected] => Array ( [id] => 14576 [site_id] =>
Конкретно интерсует, как вывести число calculate_user_cost - id цены 4