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<?php $season_data = [ 'Paul' => [ 'Season' => [2014, 2015, 2016] ], 'John' => [ 'Season' => [2012] ] ]; $appearance_data = [ 'Paul' => [ 'Appearance'=> [ 2014, 2014, 2014, 2014, 2014, 2014, 2014, 2014, 2015, 2015, 2015 ] ], 'John' => [ 'Appearance' => [ 2012, 2012, 2012, 2012 ] ] ]; foreach ($season_data as $person => $data) { foreach ($data['Season'] as $year) { $result[$person]['SeasonCounts'][$year] = 0; foreach ($appearance_data[$person]['Appearance'] as $appearance) { if ($appearance == $year) { ++$result[$person]['SeasonCounts'][$year]; } } } } var_export($result);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 27
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 27
Branch analysis from position: 4
2 jumps found. (Code = 77) Position 1 = 7, Position 2 = 25
Branch analysis from position: 7
2 jumps found. (Code = 78) Position 1 = 8, Position 2 = 25
Branch analysis from position: 8
2 jumps found. (Code = 77) Position 1 = 15, Position 2 = 23
Branch analysis from position: 15
2 jumps found. (Code = 78) Position 1 = 16, Position 2 = 23
Branch analysis from position: 16
2 jumps found. (Code = 43) Position 1 = 18, Position 2 = 22
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
Branch analysis from position: 22
Branch analysis from position: 23
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
Branch analysis from position: 23
Branch analysis from position: 25
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 25
Branch analysis from position: 27
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 27
filename:       /in/GLVU4
function name:  (null)
number of ops:  32
compiled vars:  !0 = $season_data, !1 = $appearance_data, !2 = $data, !3 = $person, !4 = $year, !5 = $result, !6 = $appearance
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
   11     1        ASSIGN                                                   !1, <array>
   24     2      > FE_RESET_R                                       $9      !0, ->27
          3    > > FE_FETCH_R                                       ~10     $9, !2, ->27
          4    >   ASSIGN                                                   !3, ~10
   25     5        FETCH_DIM_R                                      ~12     !2, 'Season'
          6      > FE_RESET_R                                       $13     ~12, ->25
          7    > > FE_FETCH_R                                               $13, !4, ->25
   26     8    >   FETCH_DIM_W                                      $14     !5, !3
          9        FETCH_DIM_W                                      $15     $14, 'SeasonCounts'
         10        ASSIGN_DIM                                               $15, !4
         11        OP_DATA                                                  0
   27    12        FETCH_DIM_R                                      ~17     !1, !3
         13        FETCH_DIM_R                                      ~18     ~17, 'Appearance'
         14      > FE_RESET_R                                       $19     ~18, ->23
         15    > > FE_FETCH_R                                               $19, !6, ->23
   28    16    >   IS_EQUAL                                                 !6, !4
         17      > JMPZ                                                     ~20, ->22
   29    18    >   FETCH_DIM_RW                                     $21     !5, !3
         19        FETCH_DIM_RW                                     $22     $21, 'SeasonCounts'
         20        FETCH_DIM_RW                                     $23     $22, !4
         21        PRE_INC                                                  $23
   27    22    > > JMP                                                      ->15
         23    >   FE_FREE                                                  $19
   25    24      > JMP                                                      ->7
         25    >   FE_FREE                                                  $13
   24    26      > JMP                                                      ->3
         27    >   FE_FREE                                                  $9
   34    28        INIT_FCALL                                               'var_export'
         29        SEND_VAR                                                 !5
         30        DO_ICALL                                                 
         31      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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