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<?php $a='a'; $b='a'; $c='b'; $d='c'; echo "{$$$$d}\n"; $obj = new StdClass; $obj->a = 'a'; echo $obj->{$$$$d};
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vmKvi
function name:  (null)
number of ops:  21
compiled vars:  !0 = $a, !1 = $b, !2 = $c, !3 = $d, !4 = $obj
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'a'
    3     1        ASSIGN                                                   !1, 'a'
    4     2        ASSIGN                                                   !2, 'b'
    5     3        ASSIGN                                                   !3, 'c'
    7     4        FETCH_R                      local               ~9      !3
          5        FETCH_R                      local               ~10     ~9
          6        FETCH_R                      local               ~11     ~10
          7        NOP                                                      
          8        FAST_CONCAT                                      ~12     ~11, '%0A'
          9        ECHO                                                     ~12
    9    10        NEW                                              $13     'StdClass'
         11        DO_FCALL                                      0          
         12        ASSIGN                                                   !4, $13
   10    13        ASSIGN_OBJ                                               !4, 'a'
         14        OP_DATA                                                  'a'
   12    15        FETCH_R                      local               ~17     !3
         16        FETCH_R                      local               ~18     ~17
         17        FETCH_R                      local               ~19     ~18
         18        FETCH_OBJ_R                                      ~20     !4, ~19
         19        ECHO                                                     ~20
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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