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<?php ob_start(); ini_set('session.hash_function','sha512'); session_start(); $orig = session_id(); session_regenerate_id(); $new = session_id(); var_dump($orig,$new); session_commit(); ini_set('session.hash_function','sha1'); session_start(); $orig = session_id(); session_regenerate_id(); $new = session_id(); var_dump($orig,$new);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hkZM7
function name:  (null)
number of ops:  41
compiled vars:  !0 = $orig, !1 = $new
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'ob_start'
          1        DO_ICALL                                                 
    4     2        INIT_FCALL                                               'ini_set'
          3        SEND_VAL                                                 'session.hash_function'
          4        SEND_VAL                                                 'sha512'
          5        DO_ICALL                                                 
    5     6        INIT_FCALL                                               'session_start'
          7        DO_ICALL                                                 
    6     8        INIT_FCALL                                               'session_id'
          9        DO_ICALL                                         $5      
         10        ASSIGN                                                   !0, $5
    7    11        INIT_FCALL                                               'session_regenerate_id'
         12        DO_ICALL                                                 
    8    13        INIT_FCALL                                               'session_id'
         14        DO_ICALL                                         $8      
         15        ASSIGN                                                   !1, $8
    9    16        INIT_FCALL                                               'var_dump'
         17        SEND_VAR                                                 !0
         18        SEND_VAR                                                 !1
         19        DO_ICALL                                                 
   10    20        INIT_FCALL                                               'session_commit'
         21        DO_ICALL                                                 
   12    22        INIT_FCALL                                               'ini_set'
         23        SEND_VAL                                                 'session.hash_function'
         24        SEND_VAL                                                 'sha1'
         25        DO_ICALL                                                 
   13    26        INIT_FCALL                                               'session_start'
         27        DO_ICALL                                                 
   14    28        INIT_FCALL                                               'session_id'
         29        DO_ICALL                                         $14     
         30        ASSIGN                                                   !0, $14
   15    31        INIT_FCALL                                               'session_regenerate_id'
         32        DO_ICALL                                                 
   16    33        INIT_FCALL                                               'session_id'
         34        DO_ICALL                                         $17     
         35        ASSIGN                                                   !1, $17
   17    36        INIT_FCALL                                               'var_dump'
         37        SEND_VAR                                                 !0
         38        SEND_VAR                                                 !1
         39        DO_ICALL                                                 
         40      > RETURN                                                   1

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