3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ '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/df1nW
function name:  (null)
number of ops:  75
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, <array>
    8     1        INIT_FCALL                                               'serialize'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !1, $3
   10     5        INIT_FCALL                                               'var_dump'
          6        INIT_FCALL                                               'unserialize'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                         $5      
          9        SEND_VAR                                                 $5
         10        DO_ICALL                                                 
   11    11        ECHO                                                     '%3Cbr+%2F%3E'
   12    12        ECHO                                                     '%3Cbr+%2F%3E'
   13    13        INIT_FCALL                                               'var_dump'
         14        SEND_VAL                                                 '---------------'
         15        DO_ICALL                                                 
   14    16        ECHO                                                     '%3Cbr+%2F%3E'
   15    17        ECHO                                                     '%3Cbr+%2F%3E'
   16    18        INIT_FCALL                                               'var_dump'
         19        INIT_FCALL                                               'unserialize'
         20        SEND_VAR                                                 !1
         21        SEND_VAL                                                 <array>
         22        DO_ICALL                                         $8      
         23        SEND_VAR                                                 $8
         24        DO_ICALL                                                 
   17    25        ECHO                                                     '%3Cbr+%2F%3E'
   18    26        ECHO                                                     '%3Cbr+%2F%3E'
   19    27        INIT_FCALL                                               'var_dump'
         28        SEND_VAL                                                 '---------------'
         29        DO_ICALL                                                 
   20    30        INIT_FCALL                                               'var_dump'
         31        INIT_FCALL                                               'unserialize'
         32        SEND_VAR                                                 !1
         33        SEND_VAL                                                 <array>
         34        DO_ICALL                                         $11     
         35        COUNT                                            ~12     $11
         36        SEND_VAL                                                 ~12
         37        DO_ICALL                                                 
   21    38        ECHO                                                     '%3Cbr+%2F%3E'
   22    39        ECHO                                                     '%3Cbr+%2F%3E'
   23    40        INIT_FCALL                                               'var_dump'
         41        SEND_VAL                                                 '---------------'
         42        DO_ICALL                                                 
   24    43        INIT_FCALL                                               'var_dump'
         44        INIT_FCALL                                               'unserialize'
         45        SEND_VAR                                                 !1
         46        SEND_VAL                                                 <false>
         47        DO_ICALL                                         $15     
         48        SEND_VAR                                                 $15
         49        DO_ICALL                                                 
   26    50        ECHO                                                     '%3Cbr+%2F%3E'
   27    51        ECHO                                                     '%3Cbr+%2F%3E'
   28    52        INIT_FCALL                                               'var_dump'
         53        SEND_VAL                                                 '---------------'
         54        DO_ICALL                                                 
   29    55        INIT_FCALL                                               'var_dump'
         56        INIT_FCALL                                               'unserialize'
         57        SEND_VAR                                                 !1
         58        SEND_VAL                                                 <array>
         59        DO_ICALL                                         $18     
         60        SEND_VAR                                                 $18
         61        DO_ICALL                                                 
   31    62        ECHO                                                     '%3Cbr+%2F%3E'
   32    63        ECHO                                                     '%3Cbr+%2F%3E'
   33    64        INIT_FCALL                                               'var_dump'
         65        SEND_VAL                                                 '---------------'
         66        DO_ICALL                                                 
   34    67        INIT_FCALL                                               'var_dump'
         68        INIT_FCALL                                               'unserialize'
         69        SEND_VAR                                                 !1
         70        SEND_VAL                                                 <array>
         71        DO_ICALL                                         $21     
         72        SEND_VAR                                                 $21
         73        DO_ICALL                                                 
         74      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
173.76 ms | 1400 KiB | 19 Q