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<?php $tst = 0; var_dump($tst, !!$tst, !!!$tst);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LosWN
function name:  (null)
number of ops:  12
compiled vars:  !0 = $tst
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 0
    5     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        BOOL_NOT                                         ~2      !0
          4        BOOL_NOT                                         ~3      ~2
          5        SEND_VAL                                                 ~3
          6        BOOL_NOT                                         ~4      !0
          7        BOOL_NOT                                         ~5      ~4
          8        BOOL_NOT                                         ~6      ~5
          9        SEND_VAL                                                 ~6
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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