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<?php $array = [ 'MONDAY' => [ 'REFRIGERATOR' => [3, 9, 7], 'WASHINGMACHINE' => [2, 4, 2, 8] ], 'TUESDAY' => [ 'REFRIGERATOR' => [5, 3, 8], 'OVEN' => [4, 1, 4] ], 'WEDNESDAY' => [ 'TV' => [6, 9], 'REFRIGERATOR' => [2, 3, 5, 2] ], 'THURSDAY' => [ 'TV' => [5, 3, 3, 2], 'FAN' => [4, 9, 8, 5] ], 'FRIDAY' => [ 'WASHINGMACHINE' => [8, 5], 'OVEN' => [3, 9, 7] ] ]; $result = []; foreach ($array as $set) { foreach ($set as $k => $values) { $result[$k] = ($result[$k] ?? 0) + array_sum($values); } } var_export($result);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 19
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 19
Branch analysis from position: 4
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 17
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 17
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 17
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
filename:       /in/auRYR
function name:  (null)
number of ops:  24
compiled vars:  !0 = $array, !1 = $result, !2 = $set, !3 = $values, !4 = $k
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   25     1        ASSIGN                                                   !1, <array>
   26     2      > FE_RESET_R                                       $7      !0, ->19
          3    > > FE_FETCH_R                                               $7, !2, ->19
   27     4    > > FE_RESET_R                                       $8      !2, ->17
          5    > > FE_FETCH_R                                       ~9      $8, !3, ->17
          6    >   ASSIGN                                                   !4, ~9
   28     7        FETCH_DIM_IS                                     ~12     !1, !4
          8        COALESCE                                         ~13     ~12
          9        QM_ASSIGN                                        ~13     0
         10        INIT_FCALL                                               'array_sum'
         11        SEND_VAR                                                 !3
         12        DO_ICALL                                         $14     
         13        ADD                                              ~15     ~13, $14
         14        ASSIGN_DIM                                               !1, !4
         15        OP_DATA                                                  ~15
   27    16      > JMP                                                      ->5
         17    >   FE_FREE                                                  $8
   26    18      > JMP                                                      ->3
         19    >   FE_FREE                                                  $7
   31    20        INIT_FCALL                                               'var_export'
         21        SEND_VAR                                                 !1
         22        DO_ICALL                                                 
         23      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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