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<?php date_default_timezone_set('UTC'); session_start(); $session1 = session_id(); if (!isset($_SESSION['init'])) { $_SESSION['init'] = "foobar"; } $init1 = @$_SESSION['init']; session_regenerate_id(false); var_dump($init1); var_dump($_SESSION['init']); var_dump('session id1 ' . $session1); var_dump('session id2 ' . session_id()); ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 15
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
filename:       /in/EbGlD
function name:  (null)
number of ops:  42
compiled vars:  !0 = $session1, !1 = $init1
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'date_default_timezone_set'
          1        SEND_VAL                                                 'UTC'
          2        DO_ICALL                                                 
    3     3        INIT_FCALL                                               'session_start'
          4        DO_ICALL                                                 
    4     5        INIT_FCALL                                               'session_id'
          6        DO_ICALL                                         $4      
          7        ASSIGN                                                   !0, $4
    5     8        FETCH_IS                                         ~6      '_SESSION'
          9        ISSET_ISEMPTY_DIM_OBJ                         0  ~7      ~6, 'init'
         10        BOOL_NOT                                         ~8      ~7
         11      > JMPZ                                                     ~8, ->15
         12    >   FETCH_W                      global              $9      '_SESSION'
         13        ASSIGN_DIM                                               $9, 'init'
         14        OP_DATA                                                  'foobar'
    7    15    >   BEGIN_SILENCE                                    ~11     
         16        FETCH_R                      global              ~12     '_SESSION'
         17        FETCH_DIM_R                                      ~13     ~12, 'init'
         18        END_SILENCE                                              ~11
         19        ASSIGN                                                   !1, ~13
    8    20        INIT_FCALL                                               'session_regenerate_id'
         21        SEND_VAL                                                 <false>
         22        DO_ICALL                                                 
   10    23        INIT_FCALL                                               'var_dump'
         24        SEND_VAR                                                 !1
         25        DO_ICALL                                                 
   11    26        INIT_FCALL                                               'var_dump'
         27        FETCH_R                      global              ~17     '_SESSION'
         28        FETCH_DIM_R                                      ~18     ~17, 'init'
         29        SEND_VAL                                                 ~18
         30        DO_ICALL                                                 
   12    31        INIT_FCALL                                               'var_dump'
         32        CONCAT                                           ~20     'session+id1+', !0
         33        SEND_VAL                                                 ~20
         34        DO_ICALL                                                 
   13    35        INIT_FCALL                                               'var_dump'
         36        INIT_FCALL                                               'session_id'
         37        DO_ICALL                                         $22     
         38        CONCAT                                           ~23     'session+id2+', $22
         39        SEND_VAL                                                 ~23
         40        DO_ICALL                                                 
   14    41      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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