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<?php class A { private $foo = 'bar'; } class B extends A { public function getFoo() { $array = (array)$this; return $array["\0A\0foo"]; } } $b = new B(); var_dump($b->getFoo());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ch5N1
function name:  (null)
number of ops:  9
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   16     0  E >   NEW                                              $1      'B'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   18     3        INIT_FCALL                                               'var_dump'
          4        INIT_METHOD_CALL                                         !0, 'getFoo'
          5        DO_FCALL                                      0  $4      
          6        SEND_VAR                                                 $4
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Class A: [no user functions]
Class B:
Function getfoo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ch5N1
function name:  getFoo
number of ops:  6
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   FETCH_THIS                                       ~1      
          1        CAST                                          7  ~2      ~1
          2        ASSIGN                                                   !0, ~2
   12     3        FETCH_DIM_R                                      ~4      !0, '%00A%00foo'
          4      > RETURN                                                   ~4
   13     5*     > RETURN                                                   null

End of function getfoo

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


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