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<?php $randomInvoices = [ [ "name" => "studio", "client_id" => 111, "invoice" => 1233, "email" => 'studio@studio.com.br' ], [ "name" => "italiano", "client_id" => 222, "invoice" => 6775, "email" => 'italiano@italia.com' ], [ "name" => "studio", "client_id" => 111, "invoice" => 577, "email" => 'studio@studio.com.br' ], [ "name" => "italiano", "client_id" => 222, "invoice" => 677543, "email" => 'italiano@italia.com' ], ]; $invoicesByClient = []; foreach ($randomInvoices as $value) { $clientId = $value['client_id']; if (!isset($invoicesByClient[$clientId])) { $invoicesByClient[$clientId] = [ "name" => $value['name'], "client_id" => $clientId, "email" => $value['email'], 'invoices' => [], ]; } $invoicesByClient[$clientId]['invoices'][] = $value['invoice']; } // use `array_values` to get 0-indexed array $invoicesByClient = array_values($invoicesByClient); print_r($invoicesByClient);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 23
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 23
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 17
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 17
Branch analysis from position: 23
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 23
filename:       /in/OO1Ai
function name:  (null)
number of ops:  32
compiled vars:  !0 = $randomInvoices, !1 = $invoicesByClient, !2 = $value, !3 = $clientId
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   31     1        ASSIGN                                                   !1, <array>
   32     2      > FE_RESET_R                                       $6      !0, ->23
          3    > > FE_FETCH_R                                               $6, !2, ->23
   33     4    >   FETCH_DIM_R                                      ~7      !2, 'client_id'
          5        ASSIGN                                                   !3, ~7
   34     6        ISSET_ISEMPTY_DIM_OBJ                         0  ~9      !1, !3
          7        BOOL_NOT                                         ~10     ~9
          8      > JMPZ                                                     ~10, ->17
   36     9    >   FETCH_DIM_R                                      ~12     !2, 'name'
         10        INIT_ARRAY                                       ~13     ~12, 'name'
   37    11        ADD_ARRAY_ELEMENT                                ~13     !3, 'client_id'
   38    12        FETCH_DIM_R                                      ~14     !2, 'email'
         13        ADD_ARRAY_ELEMENT                                ~13     ~14, 'email'
   36    14        ADD_ARRAY_ELEMENT                                ~13     <array>, 'invoices'
   35    15        ASSIGN_DIM                                               !1, !3
   36    16        OP_DATA                                                  ~13
   42    17    >   FETCH_DIM_R                                      ~18     !2, 'invoice'
         18        FETCH_DIM_W                                      $15     !1, !3
         19        FETCH_DIM_W                                      $16     $15, 'invoices'
         20        ASSIGN_DIM                                               $16
         21        OP_DATA                                                  ~18
   32    22      > JMP                                                      ->3
         23    >   FE_FREE                                                  $6
   45    24        INIT_FCALL                                               'array_values'
         25        SEND_VAR                                                 !1
         26        DO_ICALL                                         $19     
         27        ASSIGN                                                   !1, $19
   46    28        INIT_FCALL                                               'print_r'
         29        SEND_VAR                                                 !1
         30        DO_ICALL                                                 
         31      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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