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<?php $o = new stdClass; $o->{$name = " \x0"} = 'a'; var_dump($name);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/h99jv
function name:  (null)
number of ops:  10
compiled vars:  !0 = $o, !1 = $name
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $2      'stdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    4     3        ASSIGN                                           ~5      !1, '+%00'
          4        ASSIGN_OBJ                                               !0, ~5
          5        OP_DATA                                                  'a'
    5     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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