3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar = 'barValue'; protected $baz = 'bazValue'; private $tab = 'tabValue'; } $F = new Foo(); $F = serialize($F); var_dump($F); echo $F->{"\0Foo\0tab"}; var_dump($data["\0Foo\0tab"]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/d8CgT
function name:  (null)
number of ops:  17
compiled vars:  !0 = $F, !1 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   NEW                                              $2      'Foo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
   10     3        INIT_FCALL                                               'serialize'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $5      
          6        ASSIGN                                                   !0, $5
   11     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
   13    10        FETCH_OBJ_R                                      ~8      !0, '%00Foo%00tab'
         11        ECHO                                                     ~8
   15    12        INIT_FCALL                                               'var_dump'
         13        FETCH_DIM_R                                      ~9      !1, '%00Foo%00tab'
         14        SEND_VAL                                                 ~9
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Class Foo: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.42 ms | 1394 KiB | 17 Q