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<?php $a = 'a'; $$a = 'b'; echo $a;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SdmI9
function name:  (null)
number of ops:  5
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'a'
    4     1        FETCH_W                      local               $2      !0
          2        ASSIGN                                                   $2, 'b'
    6     3        ECHO                                                     !0
          4      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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