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<?php $array = [ [ "Country" => "United Arab Emirates", "users" => 2 ], [ "Country" => "Albania", "users" => 1 ], [ "Country" => "Armenia", "users" => 4 ], [ "Country" => "Argentina", "users" => 12 ], [ "Country" => "United Arab Emirates", "users" => 3 ], [ "Country" => "Austria", "users" => 1 ], [ "Country" => "Austria", "users" => 8 ], [ "Country" => "Austria", "users" => 1 ], ]; $new = []; foreach ($array as $item) { if (empty($new[$item['Country']])) { $new[$item['Country']] = ['Country' => $item['Country'], 'users' => 0]; } $new[$item['Country']]['users'] += $item['users']; } $new = array_values($new); print_r($new);
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 = 43) Position 1 = 7, Position 2 = 13
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 13
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
filename:       /in/ZuUoL
function name:  (null)
number of ops:  28
compiled vars:  !0 = $array, !1 = $new, !2 = $item
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   14     1        ASSIGN                                                   !1, <array>
   16     2      > FE_RESET_R                                       $5      !0, ->19
          3    > > FE_FETCH_R                                               $5, !2, ->19
   17     4    >   FETCH_DIM_R                                      ~6      !2, 'Country'
          5        ISSET_ISEMPTY_DIM_OBJ                         1          !1, ~6
          6      > JMPZ                                                     ~7, ->13
   18     7    >   FETCH_DIM_R                                      ~8      !2, 'Country'
          8        FETCH_DIM_R                                      ~10     !2, 'Country'
          9        INIT_ARRAY                                       ~11     ~10, 'Country'
         10        ADD_ARRAY_ELEMENT                                ~11     0, 'users'
         11        ASSIGN_DIM                                               !1, ~8
         12        OP_DATA                                                  ~11
   21    13    >   FETCH_DIM_R                                      ~12     !2, 'Country'
         14        FETCH_DIM_R                                      ~15     !2, 'users'
         15        FETCH_DIM_RW                                     $13     !1, ~12
         16        ASSIGN_DIM_OP                +=               1          $13, 'users'
         17        OP_DATA                                                  ~15
   16    18      > JMP                                                      ->3
         19    >   FE_FREE                                                  $5
   24    20        INIT_FCALL                                               'array_values'
         21        SEND_VAR                                                 !1
         22        DO_ICALL                                         $16     
         23        ASSIGN                                                   !1, $16
   25    24        INIT_FCALL                                               'print_r'
         25        SEND_VAR                                                 !1
         26        DO_ICALL                                                 
         27      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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