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<?php $data = [ [ 'rates' => [1, 2], 'origin' => 1, ], [ 'rates' => [3, 4], 'origin' => 2, ], [ 'rates' => [5], 'origin' => 3, ], ]; $result = []; foreach ($data[0]['rates'] as $rate) { $tmp = [ 'rate' => $rate, 'origin' => $data[0]['origin'], ]; rates($tmp, [$data[1], $data[2]]); } function rates(array $baseRate, array $nextData): void { global $result; for ($i = 0; $i < count($nextData); ++$i) { foreach ($nextData[$i]['rates'] as $rate) { $tmp = []; $tmp[] = $baseRate; $tmp[] = [ 'rate' => $rate, 'origin' => $nextData[$i]['origin'], ]; for ($j = 0; $j < count($nextData); ++$j) { if ($i === $j) { continue; } foreach ($nextData[$j]['rates'] as $subRate) { $tmp[] = [ 'rate' => $subRate, 'origin' => $nextData[$j]['origin'], ]; } } $result[] = $tmp; } } } \print_r($result); $expected = [ [ [ 'rate' => 1, 'origin' => 1, ], [ 'rate' => 3, 'origin' => 2, ], [ 'rate' => 5, 'origin' => 3, ], ], [ [ 'rate' => 1, 'origin' => 1, ], [ 'rate' => 4, 'origin' => 2, ], [ 'rate' => 5, 'origin' => 3, ], ], [ [ 'rate' => 2, 'origin' => 1, ], [ 'rate' => 3, 'origin' => 2, ], [ 'rate' => 5, 'origin' => 3, ], ], [ [ 'rate' => 2, 'origin' => 1, ], [ 'rate' => 4, 'origin' => 2, ], [ 'rate' => 5, 'origin' => 3, ], ], ];
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 20
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 20
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 20
filename:       /in/2nn8s
function name:  (null)
number of ops:  26
compiled vars:  !0 = $data, !1 = $result, !2 = $rate, !3 = $tmp, !4 = $expected
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
   19     1        ASSIGN                                                   !1, <array>
   20     2        FETCH_DIM_R                                      ~7      !0, 0
          3        FETCH_DIM_R                                      ~8      ~7, 'rates'
          4      > FE_RESET_R                                       $9      ~8, ->20
          5    > > FE_FETCH_R                                               $9, !2, ->20
   22     6    >   INIT_ARRAY                                       ~10     !2, 'rate'
   23     7        FETCH_DIM_R                                      ~11     !0, 0
          8        FETCH_DIM_R                                      ~12     ~11, 'origin'
          9        ADD_ARRAY_ELEMENT                                ~10     ~12, 'origin'
   21    10        ASSIGN                                                   !3, ~10
   26    11        INIT_FCALL_BY_NAME                                       'rates'
         12        SEND_VAR_EX                                              !3
         13        FETCH_DIM_R                                      ~14     !0, 1
         14        INIT_ARRAY                                       ~15     ~14
         15        FETCH_DIM_R                                      ~16     !0, 2
         16        ADD_ARRAY_ELEMENT                                ~15     ~16
         17        SEND_VAL_EX                                              ~15
         18        DO_FCALL                                      0          
   20    19      > JMP                                                      ->5
         20    >   FE_FREE                                                  $9
   61    21        INIT_FCALL                                               'print_r'
         22        SEND_VAR                                                 !1
         23        DO_ICALL                                                 
   66    24        ASSIGN                                                   !4, <array>
  123    25      > RETURN                                                   1

Function rates:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 44
Branch analysis from position: 44
2 jumps found. (Code = 44) Position 1 = 47, Position 2 = 5
Branch analysis from position: 47
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
2 jumps found. (Code = 77) Position 1 = 8, Position 2 = 42
Branch analysis from position: 8
2 jumps found. (Code = 78) Position 1 = 9, Position 2 = 42
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 36
Branch analysis from position: 36
2 jumps found. (Code = 44) Position 1 = 39, Position 2 = 20
Branch analysis from position: 39
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
Branch analysis from position: 20
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 23
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 35
Branch analysis from position: 35
2 jumps found. (Code = 44) Position 1 = 39, Position 2 = 20
Branch analysis from position: 39
Branch analysis from position: 20
Branch analysis from position: 23
2 jumps found. (Code = 77) Position 1 = 26, Position 2 = 34
Branch analysis from position: 26
2 jumps found. (Code = 78) Position 1 = 27, Position 2 = 34
Branch analysis from position: 27
1 jumps found. (Code = 42) Position 1 = 26
Branch analysis from position: 26
Branch analysis from position: 34
2 jumps found. (Code = 44) Position 1 = 39, Position 2 = 20
Branch analysis from position: 39
Branch analysis from position: 20
Branch analysis from position: 34
Branch analysis from position: 42
2 jumps found. (Code = 44) Position 1 = 47, Position 2 = 5
Branch analysis from position: 47
Branch analysis from position: 5
Branch analysis from position: 42
filename:       /in/2nn8s
function name:  rates
number of ops:  48
compiled vars:  !0 = $baseRate, !1 = $nextData, !2 = $result, !3 = $i, !4 = $rate, !5 = $tmp, !6 = $j, !7 = $subRate
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   29     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   31     2        BIND_GLOBAL                                              !2, 'result'
   33     3        ASSIGN                                                   !3, 0
          4      > JMP                                                      ->44
   34     5    >   FETCH_DIM_R                                      ~9      !1, !3
          6        FETCH_DIM_R                                      ~10     ~9, 'rates'
          7      > FE_RESET_R                                       $11     ~10, ->42
          8    > > FE_FETCH_R                                               $11, !4, ->42
   35     9    >   ASSIGN                                                   !5, <array>
   36    10        ASSIGN_DIM                                               !5
         11        OP_DATA                                                  !0
   38    12        INIT_ARRAY                                       ~15     !4, 'rate'
   39    13        FETCH_DIM_R                                      ~16     !1, !3
         14        FETCH_DIM_R                                      ~17     ~16, 'origin'
         15        ADD_ARRAY_ELEMENT                                ~15     ~17, 'origin'
   37    16        ASSIGN_DIM                                               !5
   39    17        OP_DATA                                                  ~15
   42    18        ASSIGN                                                   !6, 0
         19      > JMP                                                      ->36
   43    20    >   IS_IDENTICAL                                             !3, !6
         21      > JMPZ                                                     ~19, ->23
   44    22    > > JMP                                                      ->35
   47    23    >   FETCH_DIM_R                                      ~20     !1, !6
         24        FETCH_DIM_R                                      ~21     ~20, 'rates'
         25      > FE_RESET_R                                       $22     ~21, ->34
         26    > > FE_FETCH_R                                               $22, !7, ->34
   49    27    >   INIT_ARRAY                                       ~24     !7, 'rate'
   50    28        FETCH_DIM_R                                      ~25     !1, !6
         29        FETCH_DIM_R                                      ~26     ~25, 'origin'
         30        ADD_ARRAY_ELEMENT                                ~24     ~26, 'origin'
   48    31        ASSIGN_DIM                                               !5
   50    32        OP_DATA                                                  ~24
   47    33      > JMP                                                      ->26
         34    >   FE_FREE                                                  $22
   42    35    >   PRE_INC                                                  !6
         36    >   COUNT                                            ~28     !1
         37        IS_SMALLER                                               !6, ~28
         38      > JMPNZ                                                    ~29, ->20
   55    39    >   ASSIGN_DIM                                               !2
         40        OP_DATA                                                  !5
   34    41      > JMP                                                      ->8
         42    >   FE_FREE                                                  $11
   33    43        PRE_INC                                                  !3
         44    >   COUNT                                            ~32     !1
         45        IS_SMALLER                                               !3, ~32
         46      > JMPNZ                                                    ~33, ->5
   58    47    > > RETURN                                                   null

End of function rates

Generated using Vulcan Logic Dumper, using php 8.0.0


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