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<?php $arr = [1, 2, 3]; foreach ($arr as &$num) { var_dump($num); $arr[3] = 4; } echo "\n\n====\n\n"; $arr = [1, 2, 3]; foreach ($arr as $num) { var_dump($num); $arr[3] = 4; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 2, Position 2 = 9
Branch analysis from position: 2
2 jumps found. (Code = 126) Position 1 = 3, Position 2 = 9
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 9
2 jumps found. (Code = 77) Position 1 = 13, Position 2 = 20
Branch analysis from position: 13
2 jumps found. (Code = 78) Position 1 = 14, Position 2 = 20
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 20
Branch analysis from position: 9
filename:       /in/ea1jo
function name:  (null)
number of ops:  22
compiled vars:  !0 = $arr, !1 = $num
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1      > FE_RESET_RW                                      $3      !0, ->9
          2    > > FE_FETCH_RW                                              $3, !1, ->9
    5     3    >   INIT_FCALL                                               'var_dump'
          4        SEND_VAR                                                 !1
          5        DO_ICALL                                                 
    6     6        ASSIGN_DIM                                               !0, 3
          7        OP_DATA                                                  4
    4     8      > JMP                                                      ->2
          9    >   FE_FREE                                                  $3
    9    10        ECHO                                                     '%0A%0A%3D%3D%3D%3D%0A%0A'
   11    11        ASSIGN                                                   !0, <array>
   12    12      > FE_RESET_R                                       $7      !0, ->20
         13    > > FE_FETCH_R                                               $7, !1, ->20
   13    14    >   INIT_FCALL                                               'var_dump'
         15        SEND_VAR                                                 !1
         16        DO_ICALL                                                 
   14    17        ASSIGN_DIM                                               !0, 3
         18        OP_DATA                                                  4
   12    19      > JMP                                                      ->13
         20    >   FE_FREE                                                  $7
   15    21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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