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<?php class foo { function __construct() { $this->a = "hello"; $this->b = "hi"; $this->val = "howdy"; $val = "a"; echo $this->{$val}; // outputs "hello" echo "\n"; $val = "b"; echo $this->{$val}; // outputs "hi" echo "\n"; echo $this->val; //outputs "howdy" echo "\n"; echo $this->{"val"}; } } $foo = new foo();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UdeTq
function name:  (null)
number of ops:  4
compiled vars:  !0 = $foo
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   26     0  E >   NEW                                                  $1      'foo'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $1
          3      > RETURN                                                       1

Class foo:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UdeTq
function name:  __construct
number of ops:  20
compiled vars:  !0 = $val
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   ASSIGN_OBJ                                                   'a'
          1        OP_DATA                                                      'hello'
    6     2        ASSIGN_OBJ                                                   'b'
          3        OP_DATA                                                      'hi'
    7     4        ASSIGN_OBJ                                                   'val'
          5        OP_DATA                                                      'howdy'
    9     6        ASSIGN                                                       !0, 'a'
   10     7        FETCH_OBJ_R                                          ~5      !0
          8        ECHO                                                         ~5
   12     9        ECHO                                                         '%0A'
   14    10        ASSIGN                                                       !0, 'b'
   15    11        FETCH_OBJ_R                                          ~7      !0
         12        ECHO                                                         ~7
   17    13        ECHO                                                         '%0A'
   18    14        FETCH_OBJ_R                                          ~8      'val'
         15        ECHO                                                         ~8
   20    16        ECHO                                                         '%0A'
   21    17        FETCH_OBJ_R                                          ~9      'val'
         18        ECHO                                                         ~9
   22    19      > RETURN                                                       null

End of function __construct

End of class foo.

Generated using Vulcan Logic Dumper, using php 8.5.0


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