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<?php class A { public $a; protected $b = 'hello'; public $c = 'world'; } $a = new A; var_dump(isset($a->a)); var_dump(isset($a->b)); var_dump(isset($a->c));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/oCBPg
function name:  (null)
number of ops:  16
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   NEW                                              $1      'A'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   12     3        INIT_FCALL                                               'var_dump'
          4        ISSET_ISEMPTY_PROP_OBJ                           ~4      !0, 'a'
          5        SEND_VAL                                                 ~4
          6        DO_ICALL                                                 
   13     7        INIT_FCALL                                               'var_dump'
          8        ISSET_ISEMPTY_PROP_OBJ                           ~6      !0, 'b'
          9        SEND_VAL                                                 ~6
         10        DO_ICALL                                                 
   14    11        INIT_FCALL                                               'var_dump'
         12        ISSET_ISEMPTY_PROP_OBJ                           ~8      !0, 'c'
         13        SEND_VAL                                                 ~8
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Class A: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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