求个数组内部组合方法解决方法

array(1) {
  [0]=>
  array(11) {
    ["order_sn"]=>
    string(13) "2012031551539"
    ["recede_goods_id"]=>
    string(0) ""
    ["recede_num"]=>
    string(3) "2,1"
    ["add_time"]=>
    string(10) "1331799888"
    ["cause"]=>
    string(0) ""
    ["type"]=>
    string(6) "change"
    ["add_manager"]=>
    string(0) ""
    ["change_goods_id"]=>
    string(4) "29,2"
    ["change_goods_size"]=>
    array(2) {
      [0]=>
      string(1) "2"
      [1]=>
      string(1) "1"
    }
    ["change_goods"]=>
    array(2) {
      [0]=>
      array(3) {
        ["goods_name"]=>
        string(62) "诗瑞 SWANRING 半透条纹女士平脚裤 橘色半透条纹"
        ["goods_id"]=>
        string(1) "2"
        ["goods_sn"]=>
        string(10) "S12N605112"
      }
      [1]=>
      array(3) {
        ["goods_name"]=>
        string(53) "诗瑞 SWANRING 甜美女士蕾丝三角裤 粉红色"
        ["goods_id"]=>
        string(2) "29"
        ["goods_sn"]=>
        string(10) "S12N603171"
      }
    }
    ["change_goods_size_name"]=>
    array(2) {
      [0]=>
      string(1) "M"
      [1]=>
      string(1) "S"
    }
  }
}

array(1) {
  [0]=>
  array(11) {
    ["order_sn"]=>
    string(13) "2012031551539"
    ["recede_goods_id"]=>
    string(0) ""
    ["recede_num"]=>
    string(3) "2,1"
    ["add_time"]=>
    string(10) "1331799888"
    ["cause"]=>
    string(0) ""
    ["type"]=>
    string(6) "change"
    ["add_manager"]=>
    string(0) ""
    ["change_goods_id"]=>
    string(4) "29,2"
    ["change_goods_size"]=>
    array(2) {
      [0]=>
      string(1) "2"
      [1]=>
      string(1) "1"
    }
    ["change_goods"]=>
    array(2) {
      [0]=>
      array(3) {
        ["goods_name"]=>
        string(62) "诗瑞 SWANRING 半透条纹女士平脚裤 橘色半透条纹"
        ["goods_id"]=>
        string(1) "2"
        ["goods_sn"]=>
        string(10) "S12N605112"
        ["goods_size"]=>
        string(1) "M"
      }
      [1]=>
      array(3) {
        ["goods_name"]=>
        string(53) "诗瑞 SWANRING 甜美女士蕾丝三角裤 粉红色"
        ["goods_id"]=>
        string(2) "29"
        ["goods_sn"]=>
        string(10) "S12N603171"
        ["goods_size"]=>
        string(1) "S"
      }
    }

  }
}