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<?php $i = 0; $j = 1; $k = 2; print !(($i + $k) < ($j - $k)); echo PHP_EOL; var_dump((string) true); echo PHP_EOL; var_dump((string) false); echo PHP_EOL; var_dump((bool) 1); echo PHP_EOL; var_dump((bool) 0);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/g5MKC
function name:  (null)
number of ops:  29
compiled vars:  !0 = $i, !1 = $j, !2 = $k
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 0
    4     1        ASSIGN                                                   !1, 1
    5     2        ASSIGN                                                   !2, 2
    6     3        ADD                                              ~6      !0, !2
          4        SUB                                              ~7      !1, !2
          5        IS_SMALLER                                       ~8      ~6, ~7
          6        BOOL_NOT                                         ~9      ~8
          7        ECHO                                                     ~9
    8     8        ECHO                                                     '%0A'
    9     9        INIT_FCALL                                               'var_dump'
         10        CAST                                          6  ~10     <true>
         11        SEND_VAL                                                 ~10
         12        DO_ICALL                                                 
   10    13        ECHO                                                     '%0A'
   11    14        INIT_FCALL                                               'var_dump'
         15        CAST                                          6  ~12     <false>
         16        SEND_VAL                                                 ~12
         17        DO_ICALL                                                 
   12    18        ECHO                                                     '%0A'
   13    19        INIT_FCALL                                               'var_dump'
         20        BOOL                                             ~14     1
         21        SEND_VAL                                                 ~14
         22        DO_ICALL                                                 
   14    23        ECHO                                                     '%0A'
   15    24        INIT_FCALL                                               'var_dump'
         25        BOOL                                             ~16     0
         26        SEND_VAL                                                 ~16
         27        DO_ICALL                                                 
         28      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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