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<?php $a = false; array_key_exists($a, get_defined_vars()); array(&$$a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/noqbN
function name:  (null)
number of ops:  9
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <false>
    3     1        INIT_FCALL                                               'get_defined_vars'
          2        DO_ICALL                                         $2      
          3        ARRAY_KEY_EXISTS                                 ~3      !0, $2
          4        FREE                                                     ~3
    4     5        FETCH_W                      local               $4      !0
          6        INIT_ARRAY                                       ~5      $4
          7        FREE                                                     ~5
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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