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<?php class my_class { public $data; public $var1; public $var2; public $var3; public function __construct() { $this->data = new stdClass; $this->data->var3 = 'c'; $this->var3 = &$this->data->var3; } } $original = new my_class; $new = clone $original; $new->var3 = 'd'; // Output Should Be "c" echo $original->data->var3; echo $original->var3; echo $original->data->var3;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3Fr3K
function name:  (null)
number of ops:  16
compiled vars:  !0 = $original, !1 = $new
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   21     0  E >   NEW                                              $2      'my_class'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
   22     3        CLONE                                            ~5      !0
          4        ASSIGN                                                   !1, ~5
   23     5        ASSIGN_OBJ                                               !1, 'var3'
          6        OP_DATA                                                  'd'
   26     7        FETCH_OBJ_R                                      ~8      !0, 'data'
          8        FETCH_OBJ_R                                      ~9      ~8, 'var3'
          9        ECHO                                                     ~9
   27    10        FETCH_OBJ_R                                      ~10     !0, 'var3'
         11        ECHO                                                     ~10
   28    12        FETCH_OBJ_R                                      ~11     !0, 'data'
         13        FETCH_OBJ_R                                      ~12     ~11, 'var3'
         14        ECHO                                                     ~12
         15      > RETURN                                                   1

Class my_class:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3Fr3K
function name:  __construct
number of ops:  13
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   NEW                                              $1      'stdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN_OBJ                                               'data'
          3        OP_DATA                                                  $1
   15     4        FETCH_OBJ_W                                      $3      'data'
          5        ASSIGN_OBJ                                               $3, 'var3'
          6        OP_DATA                                                  'c'
   16     7        FETCH_OBJ_W                                      $6      'data'
          8        FETCH_OBJ_W                                      $7      $6, 'var3'
          9        MAKE_REF                                         $8      $7
         10        ASSIGN_OBJ_REF                                           'var3'
         11        OP_DATA                                                  $8
   17    12      > RETURN                                                   null

End of function __construct

End of class my_class.

Generated using Vulcan Logic Dumper, using php 8.0.0


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