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<?php $var = $_SERVER['felipe'] ?? ""; echo $var;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/P2SD9
function name:  (null)
number of ops:  7
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   FETCH_IS                                         ~1      '_SERVER'
          1        FETCH_DIM_IS                                     ~2      ~1, 'felipe'
          2        COALESCE                                         ~3      ~2
          3        QM_ASSIGN                                        ~3      ''
          4        ASSIGN                                                   !0, ~3
    3     5        ECHO                                                     !0
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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