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<?php $userEmail = isset($_POST["userEmail"]) ?: "";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QuQGt
function name:  (null)
number of ops:  6
compiled vars:  !0 = $userEmail
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   FETCH_IS                                         ~1      '_POST'
          1        ISSET_ISEMPTY_DIM_OBJ                         0  ~2      ~1, 'userEmail'
          2        JMP_SET                                          ~3      ~2, ->4
          3        QM_ASSIGN                                        ~3      ''
          4        ASSIGN                                                   !0, ~3
          5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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