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<?php class Help { public $test = null; } $test = new Help(); var_dump($test); if ( isset($test->test)) { echo "set"; } else { echo "not"; } echo ((bool) $test->test )=== false;
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JQajB
function name:  (null)
number of ops:  16
compiled vars:  !0 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   NEW                                              $1      'Help'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    7     3        INIT_FCALL                                               'var_dump'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                                 
    8     6        ISSET_ISEMPTY_PROP_OBJ                                   !0, 'test'
          7      > JMPZ                                                     ~5, ->10
    9     8    >   ECHO                                                     'set'
          9      > JMP                                                      ->11
   10    10    >   ECHO                                                     'not'
   11    11    >   FETCH_OBJ_R                                      ~6      !0, 'test'
         12        BOOL                                             ~7      ~6
         13        TYPE_CHECK                                    4  ~8      ~7
         14        ECHO                                                     ~8
         15      > RETURN                                                   1

Class Help: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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