Merging 2 arrays by keys

Question

There are 2 arrays, the reason for 2 arrays is because of 2 drop down from form post.

array1
1 => 878
2 => 983
3 => 717

array2
1 => 10
2 => 15
3          


        

Answer 1

using the array_combine. try it here

$combined = array_combine(array_values($array1),array_values($array2));