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<?php $foo = new stdClass(); echo isset($foo->bar->hello->world);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SEC83
function name:  (null)
number of ops:  8
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'stdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    5     3        FETCH_OBJ_IS                                     ~4      !0, 'bar'
          4        FETCH_OBJ_IS                                     ~5      ~4, 'hello'
          5        ISSET_ISEMPTY_PROP_OBJ                           ~6      ~5, 'world'
          6        ECHO                                                     ~6
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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