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<?php class A { public function a() { $b= 'this'; var_dump($$b); } }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4f3AG
function name:  (null)
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E > > RETURN                                                   1

Class A:
Function a:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4f3AG
function name:  a
number of ops:  6
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, 'this'
    5     1        INIT_FCALL                                               'var_dump'
          2        FETCH_R                      local               ~2      !0
          3        SEND_VAL                                                 ~2
          4        DO_ICALL                                                 
    6     5      > RETURN                                                   null

End of function a

End of class A.

Generated using Vulcan Logic Dumper, using php 8.0.0


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