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<?php $array = [ ['quantity' => 5, 'dd' => '01-Nov-2012'], ['quantity' => 10, 'dd' => '01-Nov-2012'], ['quantity' => 3, 'dd' => '02-Nov-2012'], ['quantity' => 4, 'dd' => '03-Nov-2012'], ['quantity' => 15, 'dd' => '03-Nov-2012'], ]; $result = []; foreach ($array as $row) { if (!isset($result[$row['dd']])) { $result[$row['dd']] = $row; } else { $result[$row['dd']]['quantity'] += $row['quantity']; } } var_export(array_values($result));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 18
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 18
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 12
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 18
filename:       /in/FI2AC
function name:  (null)
number of ops:  26
compiled vars:  !0 = $array, !1 = $result, !2 = $row
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   11     1        ASSIGN                                                   !1, <array>
   12     2      > FE_RESET_R                                       $5      !0, ->18
          3    > > FE_FETCH_R                                               $5, !2, ->18
   13     4    >   FETCH_DIM_R                                      ~6      !2, 'dd'
          5        ISSET_ISEMPTY_DIM_OBJ                         0  ~7      !1, ~6
          6        BOOL_NOT                                         ~8      ~7
          7      > JMPZ                                                     ~8, ->12
   14     8    >   FETCH_DIM_R                                      ~9      !2, 'dd'
          9        ASSIGN_DIM                                               !1, ~9
         10        OP_DATA                                                  !2
   13    11      > JMP                                                      ->17
   16    12    >   FETCH_DIM_R                                      ~11     !2, 'dd'
         13        FETCH_DIM_R                                      ~14     !2, 'quantity'
         14        FETCH_DIM_RW                                     $12     !1, ~11
         15        ASSIGN_DIM_OP                +=               1          $12, 'quantity'
         16        OP_DATA                                                  ~14
   12    17    > > JMP                                                      ->3
         18    >   FE_FREE                                                  $5
   19    19        INIT_FCALL                                               'var_export'
         20        INIT_FCALL                                               'array_values'
         21        SEND_VAR                                                 !1
         22        DO_ICALL                                         $15     
         23        SEND_VAR                                                 $15
         24        DO_ICALL                                                 
         25      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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