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<?php $array = [ ['invoice_id' => '72,', 'item' => 'SN00001'], ['invoice_id' => '73,', 'item' => 'SN00002'], ['invoice_id' => '73,', 'item' => 'SN00003'], ['invoice_id' => '73,', 'item' => 'SN00004'], ['invoice_id' => '74,', 'item' => 'SN00005'], ['invoice_id' => '74,', 'item' => 'SN00006'] ]; $result = []; foreach ($array as $row) { $result[$row['invoice_id']]['invoice_id'] = $row['invoice_id']; $result[$row['invoice_id']]['group'][] = $row; } var_export(array_values($result));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 15
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 15
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
filename:       /in/noTsM
function name:  (null)
number of ops:  23
compiled vars:  !0 = $array, !1 = $result, !2 = $row
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   12     1        ASSIGN                                                   !1, <array>
   13     2      > FE_RESET_R                                       $5      !0, ->15
          3    > > FE_FETCH_R                                               $5, !2, ->15
   14     4    >   FETCH_DIM_R                                      ~6      !2, 'invoice_id'
          5        FETCH_DIM_R                                      ~9      !2, 'invoice_id'
          6        FETCH_DIM_W                                      $7      !1, ~6
          7        ASSIGN_DIM                                               $7, 'invoice_id'
          8        OP_DATA                                                  ~9
   15     9        FETCH_DIM_R                                      ~10     !2, 'invoice_id'
         10        FETCH_DIM_W                                      $11     !1, ~10
         11        FETCH_DIM_W                                      $12     $11, 'group'
         12        ASSIGN_DIM                                               $12
         13        OP_DATA                                                  !2
   13    14      > JMP                                                      ->3
         15    >   FE_FREE                                                  $5
   18    16        INIT_FCALL                                               'var_export'
         17        INIT_FCALL                                               'array_values'
         18        SEND_VAR                                                 !1
         19        DO_ICALL                                         $14     
         20        SEND_VAR                                                 $14
         21        DO_ICALL                                                 
         22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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