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<?php $specialkeys = ['aa', 'bb', 'cc']; $myarray = [ ['aa' => 1234, 'bb' => 1000, 'cc' => 2345, 'xx' => 'wsad'], ['aa' => 1234, 'bb' => 2000, 'cc' => 2345, 'xx' => 'wsad'], ['aa' => 1234, 'bb' => 2000, 'cc' => 2345, 'xx' => 'wsad'] ]; $lookup = []; foreach ($myarray as $row) { foreach ($specialkeys as $col) { $lookup[$col][$row[$col]] ??= -1; ++$lookup[$col][$row[$col]]; } } //var_export($lookup); foreach ($myarray as &$row) { foreach ($specialkeys as $col) { if ($lookup[$col][$row[$col]]) { $row['yy'][$col] = $row[$col]; unset($row[$col]); } } } var_export($myarray);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 26
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 26
Branch analysis from position: 5
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 24
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 24
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 24
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 24
Branch analysis from position: 26
2 jumps found. (Code = 125) Position 1 = 28, Position 2 = 43
Branch analysis from position: 28
2 jumps found. (Code = 126) Position 1 = 29, Position 2 = 43
Branch analysis from position: 29
2 jumps found. (Code = 77) Position 1 = 30, Position 2 = 41
Branch analysis from position: 30
2 jumps found. (Code = 78) Position 1 = 31, Position 2 = 41
Branch analysis from position: 31
2 jumps found. (Code = 43) Position 1 = 35, Position 2 = 40
Branch analysis from position: 35
1 jumps found. (Code = 42) Position 1 = 30
Branch analysis from position: 30
Branch analysis from position: 40
Branch analysis from position: 41
1 jumps found. (Code = 42) Position 1 = 28
Branch analysis from position: 28
Branch analysis from position: 41
Branch analysis from position: 43
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 43
Branch analysis from position: 26
filename:       /in/b1HIj
function name:  (null)
number of ops:  48
compiled vars:  !0 = $specialkeys, !1 = $myarray, !2 = $lookup, !3 = $row, !4 = $col
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    5     1        ASSIGN                                                       !1, <array>
   11     2        ASSIGN                                                       !2, <array>
   12     3      > FE_RESET_R                                           $8      !1, ->26
          4    > > FE_FETCH_R                                                   $8, !3, ->26
   13     5    > > FE_RESET_R                                           $9      !0, ->24
          6    > > FE_FETCH_R                                                   $9, !4, ->24
   14     7    >   FETCH_DIM_R                                          ~11     !3, !4
          8        COPY_TMP                                             ~12     ~11
          9        FETCH_DIM_IS                                         ~10     !2, !4
         10        FETCH_DIM_IS                                         ~13     ~10, ~11
         11        COALESCE                                             ~14     ~13
         12        FETCH_DIM_W                                          $15     !2, !4
         13        ASSIGN_DIM                                           ~16     $15, ~12
         14        OP_DATA                                                      -1
         15        QM_ASSIGN                                            ~14     ~16
         16      > JMP                                                          ->18
         17*       FREE                                                         ~12
         18    >   FREE                                                         ~14
   15    19        FETCH_DIM_R                                          ~18     !3, !4
         20        FETCH_DIM_RW                                         $17     !2, !4
         21        FETCH_DIM_RW                                         $19     $17, ~18
         22        PRE_INC                                                      $19
   13    23      > JMP                                                          ->6
         24    >   FE_FREE                                                      $9
   12    25      > JMP                                                          ->4
         26    >   FE_FREE                                                      $8
   19    27      > FE_RESET_RW                                          $21     !1, ->43
         28    > > FE_FETCH_RW                                                  $21, !3, ->43
   20    29    > > FE_RESET_R                                           $22     !0, ->41
         30    > > FE_FETCH_R                                                   $22, !4, ->41
   21    31    >   FETCH_DIM_R                                          ~24     !3, !4
         32        FETCH_DIM_R                                          ~23     !2, !4
         33        FETCH_DIM_R                                          ~25     ~23, ~24
         34      > JMPZ                                                         ~25, ->40
   22    35    >   FETCH_DIM_R                                          ~28     !3, !4
         36        FETCH_DIM_W                                          $26     !3, 'yy'
         37        ASSIGN_DIM                                                   $26, !4
         38        OP_DATA                                                      ~28
   23    39        UNSET_DIM                                                    !3, !4
   20    40    > > JMP                                                          ->30
         41    >   FE_FREE                                                      $22
   19    42      > JMP                                                          ->28
         43    >   FE_FREE                                                      $21
   27    44        INIT_FCALL                                                   'var_export'
         45        SEND_VAR                                                     !1
         46        DO_ICALL                                                     
         47      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
206.33 ms | 1954 KiB | 14 Q