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<?php class TestClass{ public $a; } $test = new TestClass(); $test->a = new TestClass(); var_dump(isset($test->a));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Kv0UD
function name:  (null)
number of ops:  12
compiled vars:  !0 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   NEW                                              $1      'TestClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    8     3        NEW                                              $5      'TestClass'
          4        DO_FCALL                                      0          
          5        ASSIGN_OBJ                                               !0, 'a'
          6        OP_DATA                                                  $5
    9     7        INIT_FCALL                                               'var_dump'
          8        ISSET_ISEMPTY_PROP_OBJ                           ~7      !0, 'a'
          9        SEND_VAL                                                 ~7
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Class TestClass: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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