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<?php $x = 1; $y = 2; var_dump( (!$x === $y) === (!($x === $y)) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9alv5
function name:  (null)
number of ops:  11
compiled vars:  !0 = $x, !1 = $y
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 1
    4     1        ASSIGN                                                   !1, 2
    6     2        INIT_FCALL                                               'var_dump'
    7     3        BOOL_NOT                                         ~4      !0
          4        IS_IDENTICAL                                     ~5      !1, ~4
          5        IS_IDENTICAL                                     ~6      !0, !1
          6        BOOL_NOT                                         ~7      ~6
          7        IS_IDENTICAL                                     ~8      ~5, ~7
          8        SEND_VAL                                                 ~8
          9        DO_ICALL                                                 
    8    10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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