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<?php $attributes = [ [ 'title' => 'Size', 'Variation' => ['Small', 'Medium', 'Large'] ], [ 'title' => 'Length', 'Variation' => ['Short', 'Regular', 'Long'] ], [ 'title' => 'Color', 'Variation' => ['Black', 'White'] ] ]; function combinate($result, $variations) { $ret = []; foreach( $variations as $v ) { foreach( $result as $r ) { $ret[] = $v . ' ' . $r; } } return $ret; } $ret = $attributes[count($attributes) - 1]['Variation']; for( $i = count($attributes) - 2; $i >= 0; $i--) { $ret = combinate($ret, $attributes[$i]['Variation']); } print_r($ret);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
2 jumps found. (Code = 44) Position 1 = 20, Position 2 = 10
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
2 jumps found. (Code = 44) Position 1 = 20, Position 2 = 10
Branch analysis from position: 20
Branch analysis from position: 10
filename:       /in/EIUEQ
function name:  (null)
number of ops:  24
compiled vars:  !0 = $attributes, !1 = $ret, !2 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   30     1        COUNT                                            ~4      !0
          2        SUB                                              ~5      ~4, 1
          3        FETCH_DIM_R                                      ~6      !0, ~5
          4        FETCH_DIM_R                                      ~7      ~6, 'Variation'
          5        ASSIGN                                                   !1, ~7
   31     6        COUNT                                            ~9      !0
          7        SUB                                              ~10     ~9, 2
          8        ASSIGN                                                   !2, ~10
          9      > JMP                                                      ->18
   32    10    >   INIT_FCALL                                               'combinate'
         11        SEND_VAR                                                 !1
         12        FETCH_DIM_R                                      ~12     !0, !2
         13        FETCH_DIM_R                                      ~13     ~12, 'Variation'
         14        SEND_VAL                                                 ~13
         15        DO_FCALL                                      0  $14     
         16        ASSIGN                                                   !1, $14
   31    17        PRE_DEC                                                  !2
         18    >   IS_SMALLER_OR_EQUAL                                      0, !2
         19      > JMPNZ                                                    ~17, ->10
   35    20    >   INIT_FCALL                                               'print_r'
         21        SEND_VAR                                                 !1
         22        DO_ICALL                                                 
         23      > RETURN                                                   1

Function combinate:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 14
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 14
Branch analysis from position: 5
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 12
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 12
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 12
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
filename:       /in/EIUEQ
function name:  combinate
number of ops:  17
compiled vars:  !0 = $result, !1 = $variations, !2 = $ret, !3 = $v, !4 = $r
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   18     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   19     2        ASSIGN                                                   !2, <array>
   20     3      > FE_RESET_R                                       $6      !1, ->14
          4    > > FE_FETCH_R                                               $6, !3, ->14
   21     5    > > FE_RESET_R                                       $7      !0, ->12
          6    > > FE_FETCH_R                                               $7, !4, ->12
   22     7    >   CONCAT                                           ~9      !3, '+'
          8        CONCAT                                           ~10     ~9, !4
          9        ASSIGN_DIM                                               !2
         10        OP_DATA                                                  ~10
   21    11      > JMP                                                      ->6
         12    >   FE_FREE                                                  $7
   20    13      > JMP                                                      ->4
         14    >   FE_FREE                                                  $6
   25    15      > RETURN                                                   !2
   26    16*     > RETURN                                                   null

End of function combinate

Generated using Vulcan Logic Dumper, using php 8.0.0


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