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<?php $arrays = [[0,"A" => 176000], [0, "b" => 500], [0, 3960000, 200], [10, 500, 200]]; foreach($arrays as $sub){ foreach($sub as $key => $num){ if(!isset($new[$key])) $new[$key] =0; $new[$key] += $num; } } var_dump($new);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 16
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 16
Branch analysis from position: 3
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 14
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 14
Branch analysis from position: 5
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 11
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 11
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 14
Branch analysis from position: 16
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 16
filename:       /in/NbNVg
function name:  (null)
number of ops:  21
compiled vars:  !0 = $arrays, !1 = $sub, !2 = $num, !3 = $key, !4 = $new
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    4     1      > FE_RESET_R                                       $6      !0, ->16
          2    > > FE_FETCH_R                                               $6, !1, ->16
    5     3    > > FE_RESET_R                                       $7      !1, ->14
          4    > > FE_FETCH_R                                       ~8      $7, !2, ->14
          5    >   ASSIGN                                                   !3, ~8
    6     6        ISSET_ISEMPTY_DIM_OBJ                         0  ~10     !4, !3
          7        BOOL_NOT                                         ~11     ~10
          8      > JMPZ                                                     ~11, ->11
          9    >   ASSIGN_DIM                                               !4, !3
         10        OP_DATA                                                  0
    7    11    >   ASSIGN_DIM_OP                +=               1          !4, !3
         12        OP_DATA                                                  !2
    5    13      > JMP                                                      ->4
         14    >   FE_FREE                                                  $7
    4    15      > JMP                                                      ->2
         16    >   FE_FREE                                                  $6
   10    17        INIT_FCALL                                               'var_dump'
         18        SEND_VAR                                                 !4
         19        DO_ICALL                                                 
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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