3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar = 'barValue'; protected $baz = 'bazValue'; private $tab = 'tabValue'; } $foo = new Foo(); var_dump($foo->{"\0*\0baz"}); var_dump($foo->{"\0Foo\0tab"});
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/21m4E
function name:  (null)
number of ops:  12
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   NEW                                              $1      'Foo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   12     3        INIT_FCALL                                               'var_dump'
          4        FETCH_OBJ_R                                      ~4      !0, '%00%2A%00baz'
          5        SEND_VAL                                                 ~4
          6        DO_ICALL                                                 
   13     7        INIT_FCALL                                               'var_dump'
          8        FETCH_OBJ_R                                      ~6      !0, '%00Foo%00tab'
          9        SEND_VAL                                                 ~6
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Class Foo: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
138.51 ms | 1394 KiB | 15 Q