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<?php $a = [1,2,3]; foreach ($a as &$b){ $b += 10; } print_r($a); 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 = 77) Position 1 = 10, Position 2 = 13
Branch analysis from position: 10
2 jumps found. (Code = 78) Position 1 = 11, Position 2 = 13
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
Branch analysis from position: 13
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
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
Branch analysis from position: 13
Branch analysis from position: 5
filename:       /in/b21pD
function name:  (null)
number of ops:  24
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
   10     6        INIT_FCALL                                               'print_r'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
   13     9      > FE_RESET_R                                       $6      !0, ->13
         10    > > FE_FETCH_R                                               $6, !1, ->13
   14    11    >   ASSIGN_OP                                     1          !1, 10
   13    12      > JMP                                                      ->10
         13    >   FE_FREE                                                  $6
   16    14        UNSET_CV                                                 !1
   17    15      > FE_RESET_RW                                      $8      !0, ->19
         16    > > FE_FETCH_RW                                              $8, !1, ->19
   18    17    >   ASSIGN_OP                                     1          !1, 100
   17    18      > JMP                                                      ->16
         19    >   FE_FREE                                                  $8
   20    20        INIT_FCALL                                               'print_r'
         21        SEND_VAR                                                 !0
         22        DO_ICALL                                                 
         23      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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