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<?php $a = [1,2,3]; foreach ($a as &$b){ $b += 10; } foreach ($a as &$b){ $b += 100; } print_r($a); $a = [1,2,3]; foreach ($a as &$b){ $b += 10; } unset($b); foreach ($a as &$b){ $b += 100; } print_r($a);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 2, Position 2 = 5
Branch analysis from position: 2
2 jumps found. (Code = 126) Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 5
2 jumps found. (Code = 125) Position 1 = 7, Position 2 = 10
Branch analysis from position: 7
2 jumps found. (Code = 126) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
Branch analysis from position: 10
2 jumps found. (Code = 125) Position 1 = 16, Position 2 = 19
Branch analysis from position: 16
2 jumps found. (Code = 126) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
Branch analysis from position: 19
2 jumps found. (Code = 125) Position 1 = 22, Position 2 = 25
Branch analysis from position: 22
2 jumps found. (Code = 126) Position 1 = 23, Position 2 = 25
Branch analysis from position: 23
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
Branch analysis from position: 25
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 25
Branch analysis from position: 19
Branch analysis from position: 10
Branch analysis from position: 5
filename:       /in/X6LSs
function name:  (null)
number of ops:  30
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    6     1      > FE_RESET_RW                                      $3      !0, ->5
          2    > > FE_FETCH_RW                                              $3, !1, ->5
    7     3    >   ASSIGN_OP                                     1          !1, 10
    6     4      > JMP                                                      ->2
          5    >   FE_FREE                                                  $3
    9     6      > FE_RESET_RW                                      $5      !0, ->10
          7    > > FE_FETCH_RW                                              $5, !1, ->10
   10     8    >   ASSIGN_OP                                     1          !1, 100
    9     9      > JMP                                                      ->7
         10    >   FE_FREE                                                  $5
   12    11        INIT_FCALL                                               'print_r'
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                                 
   17    14        ASSIGN                                                   !0, <array>
   20    15      > FE_RESET_RW                                      $9      !0, ->19
         16    > > FE_FETCH_RW                                              $9, !1, ->19
   21    17    >   ASSIGN_OP                                     1          !1, 10
   20    18      > JMP                                                      ->16
         19    >   FE_FREE                                                  $9
   23    20        UNSET_CV                                                 !1
   24    21      > FE_RESET_RW                                      $11     !0, ->25
         22    > > FE_FETCH_RW                                              $11, !1, ->25
   25    23    >   ASSIGN_OP                                     1          !1, 100
   24    24      > JMP                                                      ->22
         25    >   FE_FREE                                                  $11
   27    26        INIT_FCALL                                               'print_r'
         27        SEND_VAR                                                 !0
         28        DO_ICALL                                                 
         29      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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