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<?php $username = ''; $first_letter = $username[0] ?? '';
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/R954b
function name:  (null)
number of ops:  6
compiled vars:  !0 = $username, !1 = $first_letter
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, ''
    5     1        FETCH_DIM_IS                                     ~3      !0, 0
          2        COALESCE                                         ~4      ~3
          3        QM_ASSIGN                                        ~4      ''
          4        ASSIGN                                                   !1, ~4
          5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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