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<?php $a = array('qwe' => isset($a['qwe'])); var_dump(isset($a['qwe']));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0YDDj
function name:  (null)
number of ops:  8
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ISSET_ISEMPTY_DIM_OBJ                         0  ~1      !0, 'qwe'
          1        INIT_ARRAY                                       ~2      ~1, 'qwe'
          2        ASSIGN                                                   !0, ~2
    5     3        INIT_FCALL                                               'var_dump'
          4        ISSET_ISEMPTY_DIM_OBJ                         0  ~4      !0, 'qwe'
          5        SEND_VAL                                                 ~4
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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