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<?php $array = [ 'item1' => [ [ 'productCount' => '3', 'value' => 'red', ], [ 'productCount' => '3', 'value' => 'green', ], [ 'productCount' => '3', 'value' => 'green', ] ], 'item2' => [ [ 'productCount' => '1', 'value' => 'purple', ] ], ]; $output = array(); foreach ($array as $key => $items) { $output[$key] = array('productCount' => $items[0]['productCount']); foreach ($items as $item) { $value = $item['value']; $output[$key][$value] = ($output[$key][$value] ?? 0) + 1; } } print_r($output);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 25
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 25
Branch analysis from position: 4
2 jumps found. (Code = 77) Position 1 = 11, Position 2 = 23
Branch analysis from position: 11
2 jumps found. (Code = 78) Position 1 = 12, Position 2 = 23
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
Branch analysis from position: 23
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 23
Branch analysis from position: 25
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 25
filename:       /in/CGlsU
function name:  (null)
number of ops:  30
compiled vars:  !0 = $array, !1 = $output, !2 = $items, !3 = $key, !4 = $item, !5 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   29     1        ASSIGN                                                   !1, <array>
   30     2      > FE_RESET_R                                       $8      !0, ->25
          3    > > FE_FETCH_R                                       ~9      $8, !2, ->25
          4    >   ASSIGN                                                   !3, ~9
   31     5        FETCH_DIM_R                                      ~12     !2, 0
          6        FETCH_DIM_R                                      ~13     ~12, 'productCount'
          7        INIT_ARRAY                                       ~14     ~13, 'productCount'
          8        ASSIGN_DIM                                               !1, !3
          9        OP_DATA                                                  ~14
   32    10      > FE_RESET_R                                       $15     !2, ->23
         11    > > FE_FETCH_R                                               $15, !4, ->23
   33    12    >   FETCH_DIM_R                                      ~16     !4, 'value'
         13        ASSIGN                                                   !5, ~16
   34    14        FETCH_DIM_IS                                     ~20     !1, !3
         15        FETCH_DIM_IS                                     ~21     ~20, !5
         16        COALESCE                                         ~22     ~21
         17        QM_ASSIGN                                        ~22     0
         18        ADD                                              ~23     ~22, 1
         19        FETCH_DIM_W                                      $18     !1, !3
         20        ASSIGN_DIM                                               $18, !5
         21        OP_DATA                                                  ~23
   32    22      > JMP                                                      ->11
         23    >   FE_FREE                                                  $15
   30    24      > JMP                                                      ->3
         25    >   FE_FREE                                                  $8
   37    26        INIT_FCALL                                               'print_r'
         27        SEND_VAR                                                 !1
         28        DO_ICALL                                                 
         29      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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