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<?php $fistname = $_POST['firstname']; !empty($firstname);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UfcSO
function name:  (null)
number of ops:  6
compiled vars:  !0 = $fistname, !1 = $firstname
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   FETCH_R                          global              ~2      '_POST'
          1        FETCH_DIM_R                                          ~3      ~2, 'firstname'
          2        ASSIGN                                                       !0, ~3
    4     3        ISSET_ISEMPTY_CV                                     ~5      !1
          4        BOOL_NOT                                             ~6      ~5
          5      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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