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<?php class A { public $state = 1; } class B { public $a; public function __construct() { $this->a = $GLOBALS['a']; } } $GLOBALS['a'] = new A(); $b = new B(); echo $b->a->state . PHP_EOL; $GLOBALS['a']->state++; echo $b->a->state . PHP_EOL; $GLOBALS['a'] = new A(); echo $b->a->state . PHP_EOL; echo $GLOBALS['a']->state . PHP_EOL;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dBTCg
function name:  (null)
number of ops:  34
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   NEW                                              $3      'A'
          1        DO_FCALL                                      0          
          2        FETCH_W                      global              $1      'GLOBALS'
          3        ASSIGN_DIM                                               $1, 'a'
          4        OP_DATA                                                  $3
   17     5        NEW                                              $5      'B'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !0, $5
   18     8        FETCH_OBJ_R                                      ~8      !0, 'a'
          9        FETCH_OBJ_R                                      ~9      ~8, 'state'
         10        CONCAT                                           ~10     ~9, '%0A'
         11        ECHO                                                     ~10
   20    12        FETCH_RW                     global              $11     'GLOBALS'
         13        FETCH_DIM_RW                                     $12     $11, 'a'
         14        PRE_INC_OBJ                                              $12, 'state'
   21    15        FETCH_OBJ_R                                      ~14     !0, 'a'
         16        FETCH_OBJ_R                                      ~15     ~14, 'state'
         17        CONCAT                                           ~16     ~15, '%0A'
         18        ECHO                                                     ~16
   23    19        NEW                                              $19     'A'
         20        DO_FCALL                                      0          
         21        FETCH_W                      global              $17     'GLOBALS'
         22        ASSIGN_DIM                                               $17, 'a'
         23        OP_DATA                                                  $19
   24    24        FETCH_OBJ_R                                      ~21     !0, 'a'
         25        FETCH_OBJ_R                                      ~22     ~21, 'state'
         26        CONCAT                                           ~23     ~22, '%0A'
         27        ECHO                                                     ~23
   25    28        FETCH_R                      global              ~24     'GLOBALS'
         29        FETCH_DIM_R                                      ~25     ~24, 'a'
         30        FETCH_OBJ_R                                      ~26     ~25, 'state'
         31        CONCAT                                           ~27     ~26, '%0A'
         32        ECHO                                                     ~27
         33      > RETURN                                                   1

Class A: [no user functions]
Class B:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dBTCg
function name:  __construct
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   FETCH_R                      global              ~1      'GLOBALS'
          1        FETCH_DIM_R                                      ~2      ~1, 'a'
          2        ASSIGN_OBJ                                               'a'
          3        OP_DATA                                                  ~2
   12     4      > RETURN                                                   null

End of function __construct

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


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