PHP echo多个数组foreach

Question

不知怎的，我无法用PHP数组循环打印区域

我应该如何编写代码来打印数组的所有区域

请帮助 谢谢，

样本数组

Array ( [ackCode] => success
   [responseTime] => 10/12/2015 18:33:36
   [timeElapsed] => 108 ms
   [saleCount] => 6
    [sales] => Array (
         [sale] => Array (
              [0] => Array (
              [saleCode] => SC23423423
              [productId] => 196785348                
              [price] => 14.70
              [buyerInfo] => Array (
                     [username] => Debene
                     [name] => adi
                     [surname] => soyadi
              [1] => Array (
              [saleCode] => SC154565
              [productId] => 196208512
              [price] => 24.9
              [buyerInfo] => Array (
                     [[username] => Debene2
                     [name] => adi2
                     [surname] => soyadi2
                     [variantId] => 38351116
                     [variantSpecs] => Array (
                             [variantSpec] => Array (
                                     [0] => Array (
                                      [name] => Renk
                                      [value] => Gri
                                      [stockCode] =>
                                     )
                                     [1] => Array (
                                     [name] => Beden
                                     [value] => M
                                     [stockCode] => )
              ) ) ) ) ) )