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<?php $obj = new \stdClass; $obj->{"12"} = "foobar"; $arr = ((array)$obj); var_dump($arr, isset($arr["12"])); $arr = get_object_vars($obj); var_dump($arr, isset($arr["12"]));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/tofaS
function name:  (null)
number of ops:  22
compiled vars:  !0 = $obj, !1 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $2      'stdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    3     3        ASSIGN_OBJ                                               !0, '12'
          4        OP_DATA                                                  'foobar'
    5     5        CAST                                          7  ~6      !0
          6        ASSIGN                                                   !1, ~6
    6     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !1
          9        ISSET_ISEMPTY_DIM_OBJ                         0  ~8      !1, 12
         10        SEND_VAL                                                 ~8
         11        DO_ICALL                                                 
    8    12        INIT_FCALL                                               'get_object_vars'
         13        SEND_VAR                                                 !0
         14        DO_ICALL                                         $10     
         15        ASSIGN                                                   !1, $10
    9    16        INIT_FCALL                                               'var_dump'
         17        SEND_VAR                                                 !1
         18        ISSET_ISEMPTY_DIM_OBJ                         0  ~12     !1, 12
         19        SEND_VAL                                                 ~12
         20        DO_ICALL                                                 
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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