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<?php class A { private $foo = 'bar'; } class B extends A { public function setFoo($foo) { return $this->{'A' . chr(0) . 'foo'} = $foo; } public function getFoo() { return $this->{'A' . chr(0) . 'foo'}; } } $b = new B(); $b->setFoo('baz'); var_dump($b->getFoo());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qp852
function name:  (null)
number of ops:  12
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   20     0  E >   NEW                                              $1      'B'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   22     3        INIT_METHOD_CALL                                         !0, 'setFoo'
          4        SEND_VAL_EX                                              'baz'
          5        DO_FCALL                                      0          
   23     6        INIT_FCALL                                               'var_dump'
          7        INIT_METHOD_CALL                                         !0, 'getFoo'
          8        DO_FCALL                                      0  $5      
          9        SEND_VAR                                                 $5
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Class A: [no user functions]
Class B:
Function setfoo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qp852
function name:  setFoo
number of ops:  5
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   RECV                                             !0      
   12     1        ASSIGN_OBJ                                       ~1      'A%00foo'
          2        OP_DATA                                                  !0
          3      > RETURN                                                   ~1
   13     4*     > RETURN                                                   null

End of function setfoo

Function getfoo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qp852
function name:  getFoo
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   16     0  E >   FETCH_OBJ_R                                      ~0      'A%00foo'
          1      > RETURN                                                   ~0
   17     2*     > RETURN                                                   null

End of function getfoo

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


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