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<?php class CantUnserializeThis extends ArrayObject { } $className = 'CantUnserializeThis'; $serialized = serialize(new ArrayObject()); $chunks = explode(':', $serialized); $serializedValuesChunk = array_slice($chunks, 3); var_dump($serializedValuesChunk); var_dump(unserialize(sprintf( 'C:%d:"%s":0:{}', strlen($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/WkqUm
function name:  (null)
number of ops:  45
compiled vars:  !0 = $className, !1 = $serialized, !2 = $chunks, !3 = $serializedValuesChunk
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   ASSIGN                                                   !0, 'CantUnserializeThis'
    8     1        INIT_FCALL                                               'serialize'
          2        NEW                                              $5      'ArrayObject'
          3        DO_FCALL                                      0          
          4        SEND_VAR                                                 $5
          5        DO_ICALL                                         $7      
          6        ASSIGN                                                   !1, $7
   10     7        INIT_FCALL                                               'explode'
          8        SEND_VAL                                                 '%3A'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                         $9      
         11        ASSIGN                                                   !2, $9
   11    12        INIT_FCALL                                               'array_slice'
         13        SEND_VAR                                                 !2
         14        SEND_VAL                                                 3
         15        DO_ICALL                                         $11     
         16        ASSIGN                                                   !3, $11
   12    17        INIT_FCALL                                               'var_dump'
         18        SEND_VAR                                                 !3
         19        DO_ICALL                                                 
   15    20        INIT_FCALL                                               'var_dump'
         21        INIT_FCALL                                               'unserialize'
         22        INIT_FCALL                                               'sprintf'
   16    23        SEND_VAL                                                 'C%3A%25d%3A%22%25s%22%3A0%3A%7B%7D'
   17    24        STRLEN                                           ~14     !0
         25        SEND_VAL                                                 ~14
   18    26        SEND_VAR                                                 !0
         27        DO_ICALL                                         $15     
         28        SEND_VAR                                                 $15
         29        DO_ICALL                                         $16     
         30        SEND_VAR                                                 $16
         31        DO_ICALL                                                 
   21    32        INIT_FCALL                                               'var_dump'
         33        INIT_FCALL                                               'unserialize'
         34        INIT_FCALL                                               'sprintf'
   22    35        SEND_VAL                                                 'S%3A%25d%3A%22%25s%22%3A0%3A%7B%7D'
   23    36        STRLEN                                           ~18     !0
         37        SEND_VAL                                                 ~18
   24    38        SEND_VAR                                                 !0
         39        DO_ICALL                                         $19     
         40        SEND_VAR                                                 $19
         41        DO_ICALL                                         $20     
         42        SEND_VAR                                                 $20
         43        DO_ICALL                                                 
   25    44      > RETURN                                                   1

Class CantUnserializeThis: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
203.56 ms | 1400 KiB | 25 Q