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<?php class Foo { protected $bar; public function &__get($property) { return $this->bar; } public function __set($property, $value) { $this->bar = &$value; } } $test = new Foo; $a = 0; $test->bar = $a; $a++; echo $test->bar;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4ecZS
function name:  (null)
number of ops:  10
compiled vars:  !0 = $test, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   16     0  E >   NEW                                              $2      'Foo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
   17     3        ASSIGN                                                   !1, 0
   18     4        ASSIGN_OBJ                                               !0, 'bar'
          5        OP_DATA                                                  !1
   19     6        PRE_INC                                                  !1
   20     7        FETCH_OBJ_R                                      ~8      !0, 'bar'
          8        ECHO                                                     ~8
          9      > RETURN                                                   1

Class Foo:
Function __get:
Finding entry points
Branch analysis from position: 0
Return found
filename:       /in/4ecZS
function name:  __get
number of ops:  4
compiled vars:  !0 = $property
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   RECV                                             !0      
    8     1        FETCH_OBJ_W                                      $1      'bar'
          2      > RETURN_BY_REF                                            $1
    9     3*     > RETURN_BY_REF                                            null

End of function __get

Function __set:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4ecZS
function name:  __set
number of ops:  5
compiled vars:  !0 = $property, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   13     2        ASSIGN_OBJ_REF                                           'bar'
          3        OP_DATA                                                  !1
   14     4      > RETURN                                                   null

End of function __set

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


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