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<?php $obj = array(); var_dump(isset($obj['name'])); unset($obj['name']); $obj = new ArrayObject(array(), ArrayObject::ARRAY_AS_PROPS | ArrayObject::STD_PROP_LIST); var_dump(isset($obj['name'])); unset($obj['name']); $obj = new ArrayObject; var_dump(isset($obj['name'])); unset($obj['name']);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5dWj5
function name:  (null)
number of ops:  25
compiled vars:  !0 = $obj
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        INIT_FCALL                                               'var_dump'
          2        ISSET_ISEMPTY_DIM_OBJ                         0  ~2      !0, 'name'
          3        SEND_VAL                                                 ~2
          4        DO_ICALL                                                 
    6     5        UNSET_DIM                                                !0, 'name'
    8     6        NEW                                              $4      'ArrayObject'
          7        SEND_VAL_EX                                              <array>
          8        SEND_VAL_EX                                              3
          9        DO_FCALL                                      0          
         10        ASSIGN                                                   !0, $4
    9    11        INIT_FCALL                                               'var_dump'
         12        ISSET_ISEMPTY_DIM_OBJ                         0  ~7      !0, 'name'
         13        SEND_VAL                                                 ~7
         14        DO_ICALL                                                 
   10    15        UNSET_DIM                                                !0, 'name'
   12    16        NEW                                              $9      'ArrayObject'
         17        DO_FCALL                                      0          
         18        ASSIGN                                                   !0, $9
   13    19        INIT_FCALL                                               'var_dump'
         20        ISSET_ISEMPTY_DIM_OBJ                         0  ~12     !0, 'name'
         21        SEND_VAL                                                 ~12
         22        DO_ICALL                                                 
   14    23        UNSET_DIM                                                !0, 'name'
         24      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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