3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = (object)[ 'test' => 1 ]; $b = serialize($a); var_dump(unserialize($b)); echo"<br />"; echo"<br />"; var_dump("---------------"); echo"<br />"; echo"<br />"; var_dump(unserialize($b, ['allowed_classes'=>['stdClass']])); echo"<br />"; echo"<br />"; var_dump("---------------"); var_dump(count(unserialize($b, ['allowed_classes'=>false]))); echo"<br />"; echo"<br />"; var_dump("---------------"); var_dump(unserialize($b, false)); echo"<br />"; echo"<br />"; var_dump("---------------"); var_dump(unserialize($b, ['allowed_classes'=>true])); echo"<br />"; echo"<br />"; var_dump("---------------"); var_dump(unserialize($b, [false]));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/oId9j
function name:  (null)
number of ops:  76
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   CAST                                          8  ~2      <array>
    4     1        ASSIGN                                                   !0, ~2
    8     2        INIT_FCALL                                               'serialize'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $4      
          5        ASSIGN                                                   !1, $4
   10     6        INIT_FCALL                                               'var_dump'
          7        INIT_FCALL                                               'unserialize'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                         $6      
         10        SEND_VAR                                                 $6
         11        DO_ICALL                                                 
   11    12        ECHO                                                     '%3Cbr+%2F%3E'
   12    13        ECHO                                                     '%3Cbr+%2F%3E'
   13    14        INIT_FCALL                                               'var_dump'
         15        SEND_VAL                                                 '---------------'
         16        DO_ICALL                                                 
   14    17        ECHO                                                     '%3Cbr+%2F%3E'
   15    18        ECHO                                                     '%3Cbr+%2F%3E'
   16    19        INIT_FCALL                                               'var_dump'
         20        INIT_FCALL                                               'unserialize'
         21        SEND_VAR                                                 !1
         22        SEND_VAL                                                 <array>
         23        DO_ICALL                                         $9      
         24        SEND_VAR                                                 $9
         25        DO_ICALL                                                 
   17    26        ECHO                                                     '%3Cbr+%2F%3E'
   18    27        ECHO                                                     '%3Cbr+%2F%3E'
   19    28        INIT_FCALL                                               'var_dump'
         29        SEND_VAL                                                 '---------------'
         30        DO_ICALL                                                 
   20    31        INIT_FCALL                                               'var_dump'
         32        INIT_FCALL                                               'unserialize'
         33        SEND_VAR                                                 !1
         34        SEND_VAL                                                 <array>
         35        DO_ICALL                                         $12     
         36        COUNT                                            ~13     $12
         37        SEND_VAL                                                 ~13
         38        DO_ICALL                                                 
   21    39        ECHO                                                     '%3Cbr+%2F%3E'
   22    40        ECHO                                                     '%3Cbr+%2F%3E'
   23    41        INIT_FCALL                                               'var_dump'
         42        SEND_VAL                                                 '---------------'
         43        DO_ICALL                                                 
   24    44        INIT_FCALL                                               'var_dump'
         45        INIT_FCALL                                               'unserialize'
         46        SEND_VAR                                                 !1
         47        SEND_VAL                                                 <false>
         48        DO_ICALL                                         $16     
         49        SEND_VAR                                                 $16
         50        DO_ICALL                                                 
   26    51        ECHO                                                     '%3Cbr+%2F%3E'
   27    52        ECHO                                                     '%3Cbr+%2F%3E'
   28    53        INIT_FCALL                                               'var_dump'
         54        SEND_VAL                                                 '---------------'
         55        DO_ICALL                                                 
   29    56        INIT_FCALL                                               'var_dump'
         57        INIT_FCALL                                               'unserialize'
         58        SEND_VAR                                                 !1
         59        SEND_VAL                                                 <array>
         60        DO_ICALL                                         $19     
         61        SEND_VAR                                                 $19
         62        DO_ICALL                                                 
   31    63        ECHO                                                     '%3Cbr+%2F%3E'
   32    64        ECHO                                                     '%3Cbr+%2F%3E'
   33    65        INIT_FCALL                                               'var_dump'
         66        SEND_VAL                                                 '---------------'
         67        DO_ICALL                                                 
   34    68        INIT_FCALL                                               'var_dump'
         69        INIT_FCALL                                               'unserialize'
         70        SEND_VAR                                                 !1
         71        SEND_VAL                                                 <array>
         72        DO_ICALL                                         $22     
         73        SEND_VAR                                                 $22
         74        DO_ICALL                                                 
         75      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
176.25 ms | 1400 KiB | 19 Q