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<?php $a = new stdclass(); $a->test = 1; $b = $a; $b->test = 2; echo $a->test;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/t2fAj
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a, !1 = $b
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_OBJ                                               !0, 'test'
          4        OP_DATA                                                  1
    6     5        ASSIGN                                                   !1, !0
    7     6        ASSIGN_OBJ                                               !1, 'test'
          7        OP_DATA                                                  2
    8     8        FETCH_OBJ_R                                      ~8      !0, 'test'
          9        ECHO                                                     ~8
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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