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<?php $a1 = new stdclass; $a2 = new stdclass; $a3 = new stdclass; $a4 = new stdclass; $a5 = new stdclass; $a6 = new stdclass; $a7 = new stdclass; $a8 = new stdclass; $a9 = new stdclass; function bla($o){ return substr(spl_object_hash($o), 0, 16); } for($i = 1; $i < 10; $i++){ $var = ${'a' . $i}; var_dump($var); $r = hex2bin(bla($var)) ^ hex2bin(bla($a1)); $i = (int)bin2hex($r); $i += ($i % 2) === 0 ? 1 : -1; echo $i . "\n"; echo "-------------------\n"; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 65
Branch analysis from position: 65
2 jumps found. (Code = 44) Position 1 = 67, Position 2 = 29
Branch analysis from position: 67
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 29
2 jumps found. (Code = 43) Position 1 = 57, Position 2 = 59
Branch analysis from position: 57
1 jumps found. (Code = 42) Position 1 = 60
Branch analysis from position: 60
2 jumps found. (Code = 44) Position 1 = 67, Position 2 = 29
Branch analysis from position: 67
Branch analysis from position: 29
Branch analysis from position: 59
2 jumps found. (Code = 44) Position 1 = 67, Position 2 = 29
Branch analysis from position: 67
Branch analysis from position: 29
filename:       /in/Kouff
function name:  (null)
number of ops:  68
compiled vars:  !0 = $a1, !1 = $a2, !2 = $a3, !3 = $a4, !4 = $a5, !5 = $a6, !6 = $a7, !7 = $a8, !8 = $a9, !9 = $i, !10 = $var, !11 = $r
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $12     'stdclass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $12
    4     3        NEW                                              $15     'stdclass'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !1, $15
    5     6        NEW                                              $18     'stdclass'
          7        DO_FCALL                                      0          
          8        ASSIGN                                                   !2, $18
    6     9        NEW                                              $21     'stdclass'
         10        DO_FCALL                                      0          
         11        ASSIGN                                                   !3, $21
    7    12        NEW                                              $24     'stdclass'
         13        DO_FCALL                                      0          
         14        ASSIGN                                                   !4, $24
    8    15        NEW                                              $27     'stdclass'
         16        DO_FCALL                                      0          
         17        ASSIGN                                                   !5, $27
    9    18        NEW                                              $30     'stdclass'
         19        DO_FCALL                                      0          
         20        ASSIGN                                                   !6, $30
   10    21        NEW                                              $33     'stdclass'
         22        DO_FCALL                                      0          
         23        ASSIGN                                                   !7, $33
   11    24        NEW                                              $36     'stdclass'
         25        DO_FCALL                                      0          
         26        ASSIGN                                                   !8, $36
   17    27        ASSIGN                                                   !9, 1
         28      > JMP                                                      ->65
   18    29    >   CONCAT                                           ~40     'a', !9
         30        FETCH_R                      local               ~41     ~40
         31        ASSIGN                                                   !10, ~41
   19    32        INIT_FCALL                                               'var_dump'
         33        SEND_VAR                                                 !10
         34        DO_ICALL                                                 
   20    35        INIT_FCALL                                               'hex2bin'
         36        INIT_FCALL                                               'bla'
         37        SEND_VAR                                                 !10
         38        DO_FCALL                                      0  $44     
         39        SEND_VAR                                                 $44
         40        DO_ICALL                                         $45     
         41        INIT_FCALL                                               'hex2bin'
         42        INIT_FCALL                                               'bla'
         43        SEND_VAR                                                 !0
         44        DO_FCALL                                      0  $46     
         45        SEND_VAR                                                 $46
         46        DO_ICALL                                         $47     
         47        BW_XOR                                           ~48     $45, $47
         48        ASSIGN                                                   !11, ~48
   21    49        INIT_FCALL                                               'bin2hex'
         50        SEND_VAR                                                 !11
         51        DO_ICALL                                         $50     
         52        CAST                                          4  ~51     $50
         53        ASSIGN                                                   !9, ~51
   22    54        MOD                                              ~53     !9, 2
         55        IS_IDENTICAL                                             ~53, 0
         56      > JMPZ                                                     ~54, ->59
         57    >   QM_ASSIGN                                        ~55     1
         58      > JMP                                                      ->60
         59    >   QM_ASSIGN                                        ~55     -1
         60    >   ASSIGN_OP                                     1          !9, ~55
   23    61        CONCAT                                           ~57     !9, '%0A'
         62        ECHO                                                     ~57
   24    63        ECHO                                                     '-------------------%0A'
   17    64        PRE_INC                                                  !9
         65    >   IS_SMALLER                                               !9, 10
         66      > JMPNZ                                                    ~59, ->29
   25    67    > > RETURN                                                   1

Function bla:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Kouff
function name:  bla
number of ops:  11
compiled vars:  !0 = $o
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   RECV                                             !0      
   14     1        INIT_FCALL                                               'substr'
          2        INIT_FCALL                                               'spl_object_hash'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $1      
          5        SEND_VAR                                                 $1
          6        SEND_VAL                                                 0
          7        SEND_VAL                                                 16
          8        DO_ICALL                                         $2      
          9      > RETURN                                                   $2
   15    10*     > RETURN                                                   null

End of function bla

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
147.27 ms | 1014 KiB | 20 Q