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<?php class A { private $p1 = "secret"; public function B() { var_dump($this); ${'t' . 'his'} = 'hidden'; // works var_dump($this); var_dump($GLOBALS['this']); // class is global but $this is not since only refers to this particular object. $GLOBALS['this'] = 'lovely'; var_dump($this, $GLOBALS['this']); echo "{$GLOBALS['this']} $this {$this->p1}"; } } $a = new A; $a->B();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aCB89
function name:  (null)
number of ops:  6
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   NEW                                              $1      'A'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   16     3        INIT_METHOD_CALL                                         !0, 'B'
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Class A:
Function b:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aCB89
function name:  B
number of ops:  36
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_THIS                                       ~0      
          2        SEND_VAL                                                 ~0
          3        DO_ICALL                                                 
    6     4        FETCH_W                      local               $2      'this'
          5        ASSIGN                                                   $2, 'hidden'
    7     6        INIT_FCALL                                               'var_dump'
          7        FETCH_THIS                                       ~4      
          8        SEND_VAL                                                 ~4
          9        DO_ICALL                                                 
    8    10        INIT_FCALL                                               'var_dump'
         11        FETCH_R                      global              ~6      'GLOBALS'
         12        FETCH_DIM_R                                      ~7      ~6, 'this'
         13        SEND_VAL                                                 ~7
         14        DO_ICALL                                                 
    9    15        FETCH_W                      global              $9      'GLOBALS'
         16        ASSIGN_DIM                                               $9, 'this'
         17        OP_DATA                                                  'lovely'
   10    18        INIT_FCALL                                               'var_dump'
         19        FETCH_THIS                                       ~11     
         20        SEND_VAL                                                 ~11
         21        FETCH_R                      global              ~12     'GLOBALS'
         22        FETCH_DIM_R                                      ~13     ~12, 'this'
         23        SEND_VAL                                                 ~13
         24        DO_ICALL                                                 
   11    25        FETCH_R                      global              ~15     'GLOBALS'
         26        FETCH_DIM_R                                      ~16     ~15, 'this'
         27        ROPE_INIT                                     5  ~20     ~16
         28        ROPE_ADD                                      1  ~20     ~20, '+'
         29        FETCH_THIS                                       ~17     
         30        ROPE_ADD                                      2  ~20     ~20, ~17
         31        ROPE_ADD                                      3  ~20     ~20, '+'
         32        FETCH_OBJ_R                                      ~18     'p1'
         33        ROPE_END                                      4  ~19     ~20, ~18
         34        ECHO                                                     ~19
   13    35      > RETURN                                                   null

End of function b

End of class A.

Generated using Vulcan Logic Dumper, using php 8.0.0


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