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<?php class CantUnserializeThis extends ArrayObject { } $className = 'CantUnserializeThis'; var_dump(serialize(new ArrayObject())); var_dump(unserialize(sprintf( 'C:%d:"%s":0:{}', strlen($className), $className ))); var_dump(unserialize(sprintf( 'S:%d:"%s":0:{}', strlen($className), $className )));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UJJhN
function name:  (null)
number of ops:  34
compiled vars:  !0 = $className
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   ASSIGN                                                   !0, 'CantUnserializeThis'
    9     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'serialize'
          3        NEW                                              $2      'ArrayObject'
          4        DO_FCALL                                      0          
          5        SEND_VAR                                                 $2
          6        DO_ICALL                                         $4      
          7        SEND_VAR                                                 $4
          8        DO_ICALL                                                 
   10     9        INIT_FCALL                                               'var_dump'
         10        INIT_FCALL                                               'unserialize'
         11        INIT_FCALL                                               'sprintf'
   11    12        SEND_VAL                                                 'C%3A%25d%3A%22%25s%22%3A0%3A%7B%7D'
   12    13        STRLEN                                           ~6      !0
         14        SEND_VAL                                                 ~6
   13    15        SEND_VAR                                                 !0
         16        DO_ICALL                                         $7      
         17        SEND_VAR                                                 $7
         18        DO_ICALL                                         $8      
         19        SEND_VAR                                                 $8
         20        DO_ICALL                                                 
   16    21        INIT_FCALL                                               'var_dump'
         22        INIT_FCALL                                               'unserialize'
         23        INIT_FCALL                                               'sprintf'
   17    24        SEND_VAL                                                 'S%3A%25d%3A%22%25s%22%3A0%3A%7B%7D'
   18    25        STRLEN                                           ~10     !0
         26        SEND_VAL                                                 ~10
   19    27        SEND_VAR                                                 !0
         28        DO_ICALL                                         $11     
         29        SEND_VAR                                                 $11
         30        DO_ICALL                                         $12     
         31        SEND_VAR                                                 $12
         32        DO_ICALL                                                 
   20    33      > RETURN                                                   1

Class CantUnserializeThis: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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