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<?php $arrayObject = new \ArrayObject(); $arrayObject['$ref'] = '/ref'; var_dump(property_exists($arrayObject, '$ref'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/60Mbh
function name:  (null)
number of ops:  10
compiled vars:  !0 = $arrayObject
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   NEW                                                  $1      'ArrayObject'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $1
    4     3        ASSIGN_DIM                                                   !0, '%24ref'
          4        OP_DATA                                                      '%2Fref'
    5     5        INIT_FCALL                                                   'var_dump'
          6        FRAMELESS_ICALL_2                property_exists      ~5      !0, '%24ref'
          7        SEND_VAL                                                     ~5
          8        DO_ICALL                                                     
          9      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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