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<?php $a = ['a1','a2','a3','a4']; $b = ['b1','b2','b3','b4']; $c = ['c1','c2','c3','c4']; $all = [ $a, $b, $c ]; $result = []; for( $i=0; $i<count( $a ); $i++ ) { for( $j=0; $j<count( $all ); $j++ ) { $result[] = $all[ 3*(($i+$j*2)%3>0)-(($i+$j*2)%3) ][ $i ]; } } print_r($result);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 30
Branch analysis from position: 30
2 jumps found. (Code = 44) Position 1 = 33, Position 2 = 10
Branch analysis from position: 33
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 26
Branch analysis from position: 26
2 jumps found. (Code = 44) Position 1 = 29, Position 2 = 12
Branch analysis from position: 29
2 jumps found. (Code = 44) Position 1 = 33, Position 2 = 10
Branch analysis from position: 33
Branch analysis from position: 10
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 29, Position 2 = 12
Branch analysis from position: 29
Branch analysis from position: 12
filename:       /in/WtDNq
function name:  (null)
number of ops:  37
compiled vars:  !0 = $a, !1 = $b, !2 = $c, !3 = $all, !4 = $result, !5 = $i, !6 = $j
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, <array>
    5     2        ASSIGN                                                   !2, <array>
    7     3        INIT_ARRAY                                       ~10     !0
          4        ADD_ARRAY_ELEMENT                                ~10     !1
          5        ADD_ARRAY_ELEMENT                                ~10     !2
          6        ASSIGN                                                   !3, ~10
    8     7        ASSIGN                                                   !4, <array>
    9     8        ASSIGN                                                   !5, 0
          9      > JMP                                                      ->30
   11    10    >   ASSIGN                                                   !6, 0
         11      > JMP                                                      ->26
   13    12    >   MUL                                              ~16     !6, 2
         13        ADD                                              ~17     !5, ~16
         14        MOD                                              ~18     ~17, 3
         15        IS_SMALLER                                       ~19     0, ~18
         16        MUL                                              ~20     ~19, 3
         17        MUL                                              ~21     !6, 2
         18        ADD                                              ~22     !5, ~21
         19        MOD                                              ~23     ~22, 3
         20        SUB                                              ~24     ~20, ~23
         21        FETCH_DIM_R                                      ~25     !3, ~24
         22        FETCH_DIM_R                                      ~26     ~25, !5
         23        ASSIGN_DIM                                               !4
         24        OP_DATA                                                  ~26
   11    25        PRE_INC                                                  !6
         26    >   COUNT                                            ~28     !3
         27        IS_SMALLER                                               !6, ~28
         28      > JMPNZ                                                    ~29, ->12
    9    29    >   PRE_INC                                                  !5
         30    >   COUNT                                            ~31     !0
         31        IS_SMALLER                                               !5, ~31
         32      > JMPNZ                                                    ~32, ->10
   17    33    >   INIT_FCALL                                               'print_r'
         34        SEND_VAR                                                 !4
         35        DO_ICALL                                                 
         36      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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215.91 ms | 1010 KiB | 14 Q