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<?php error_reporting(E_ALL); $a = array(); var_dump(isset($a['b']['c'][new stdClass]['foo']));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0iRZ8
function name:  (null)
number of ops:  14
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'error_reporting'
          1        SEND_VAL                                                 32767
          2        DO_ICALL                                                 
    3     3        ASSIGN                                                   !0, <array>
    4     4        INIT_FCALL                                               'var_dump'
          5        NEW                                              $5      'stdClass'
          6        DO_FCALL                                      0          
          7        FETCH_DIM_IS                                     ~3      !0, 'b'
          8        FETCH_DIM_IS                                     ~4      ~3, 'c'
          9        FETCH_DIM_IS                                     ~7      ~4, $5
         10        ISSET_ISEMPTY_DIM_OBJ                         0  ~8      ~7, 'foo'
         11        SEND_VAL                                                 ~8
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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