PHP：将数据与来自单个阵列的共享密钥组合到新阵列中

I have this array:

我有这个数组：

array(5) {
  [0]=>
  array(4) {
    ["productCode"]=>
    string(4) "X001"
    ["productUPC"]=>
    string(3) "261"
    ["productTextSeq"]=>
    string(1) "1"
    ["productTxtVal"]=>
    string(5) "Text1"
   }
  [1]=>
  array(4) {
    ["productCode"]=>
    string(4) "X001"
    ["productUPC"]=>
    string(3) "261"
    ["productTextSeq"]=>
    string(1) "2"
    ["productTxtVal"]=>
    string(5) "Text2"
   }
  [2]=>
  array(4) {
    ["productCode"]=>
    string(4) "X001"
    ["productUPC"]=>
    string(3) "261"
    ["productTextSeq"]=>
    string(1) "3"
    ["productTxtVal"]=>
    string(5) "Text3"
   }
  [3]=>
  array(4) {
    ["productCode"]=>
    string(4) "X002"
    ["productUPC"]=>
    string(3) "262"
    ["productTextSeq"]=>
    string(1) "1"
    ["productTxtVal"]=>
    string(5) "Text1"
   }
  [4]=>
  array(4) {
    ["productCode"]=>
    string(4) "X002"
    ["productUPC"]=>
    string(3) "262"
    ["productTextSeq"]=>
    string(1) "2"
    ["productTxtVal"]=>
    string(5) "Text2"
   }
}
array(5) {
  [0]