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<?php class test{ public $p1; public function __construct() { $this->p1 = ""; } } $a = new test(); var_dump(isset($a->p1));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0N7n5
function name:  (null)
number of ops:  8
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   NEW                                              $1      'test'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   11     3        INIT_FCALL                                               'var_dump'
          4        ISSET_ISEMPTY_PROP_OBJ                           ~4      !0, 'p1'
          5        SEND_VAL                                                 ~4
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Class test:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0N7n5
function name:  __construct
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   ASSIGN_OBJ                                               'p1'
          1        OP_DATA                                                  ''
    7     2      > RETURN                                                   null

End of function __construct

End of class test.

Generated using Vulcan Logic Dumper, using php 8.0.0


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