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<?php $a = new stdClass(); $a->{0} = 'woot'; $a = (array) $a; var_dump($a); var_dump(isset($a[0]));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EhMB6
function name:  (null)
number of ops:  15
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'stdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    4     3        ASSIGN_OBJ                                               !0, '0'
          4        OP_DATA                                                  'woot'
    6     5        CAST                                          7  ~5      !0
          6        ASSIGN                                                   !0, ~5
    8     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
    9    10        INIT_FCALL                                               'var_dump'
         11        ISSET_ISEMPTY_DIM_OBJ                         0  ~8      !0, 0
         12        SEND_VAL                                                 ~8
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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