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<?php $arr = [ 3 => "harr" ]; $alias = & $arr[4]; $out = (isset($alias)) ?: "nope"; echo $out;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/99VWJ
function name:  (null)
number of ops:  9
compiled vars:  !0 = $arr, !1 = $alias, !2 = $out
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    7     1        FETCH_DIM_W                                      $4      !0, 4
          2        ASSIGN_REF                                               !1, $4
    9     3        ISSET_ISEMPTY_CV                                 ~6      !1
          4        JMP_SET                                          ~7      ~6, ->6
          5        QM_ASSIGN                                        ~7      'nope'
          6        ASSIGN                                                   !2, ~7
   11     7        ECHO                                                     !2
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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