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<?php $x = [ 'a', 'b', ]; $y = [ 'a', 'c', ]; $z = [ ]; foreach ($x as $xval) { foreach($y as $yval) { if ($xval === $yval) { continue 2; } } $z[] = [$xval, $yval]; } var_dump($z);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 18
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 18
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
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 11
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 11
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: 18
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 18
filename:       /in/24n0T
function name:  (null)
number of ops:  23
compiled vars:  !0 = $x, !1 = $y, !2 = $z, !3 = $xval, !4 = $yval
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    8     1        ASSIGN                                                   !1, <array>
   13     2        ASSIGN                                                   !2, <array>
   16     3      > FE_RESET_R                                       $8      !0, ->18
          4    > > FE_FETCH_R                                               $8, !3, ->18
   17     5    > > FE_RESET_R                                       $9      !1, ->12
          6    > > FE_FETCH_R                                               $9, !4, ->12
   18     7    >   IS_IDENTICAL                                             !3, !4
          8      > JMPZ                                                     ~10, ->11
   19     9    >   FE_FREE                                                  $9
         10      > JMP                                                      ->4
   17    11    > > JMP                                                      ->6
         12    >   FE_FREE                                                  $9
   23    13        INIT_ARRAY                                       ~12     !3
         14        ADD_ARRAY_ELEMENT                                ~12     !4
         15        ASSIGN_DIM                                               !2
         16        OP_DATA                                                  ~12
   16    17      > JMP                                                      ->4
         18    >   FE_FREE                                                  $8
   26    19        INIT_FCALL                                               'var_dump'
         20        SEND_VAR                                                 !2
         21        DO_ICALL                                                 
         22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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156.02 ms | 1396 KiB | 15 Q