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<?php $x = 0; $y = 0; echo ! ($x + $y) ? 1 : 0; echo ! $x + $y ? 1 : 0; echo (! $x) + $y ? 1 : 0;
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 14
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
2 jumps found. (Code = 43) Position 1 = 19, Position 2 = 21
Branch analysis from position: 19
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 21
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
2 jumps found. (Code = 43) Position 1 = 19, Position 2 = 21
Branch analysis from position: 19
Branch analysis from position: 21
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 14
Branch analysis from position: 12
Branch analysis from position: 14
filename:       /in/ITBJ3
function name:  (null)
number of ops:  24
compiled vars:  !0 = $x, !1 = $y
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 0
    4     1        ASSIGN                                                   !1, 0
    6     2        ADD                                              ~4      !0, !1
          3        BOOL_NOT                                         ~5      ~4
          4      > JMPZ                                                     ~5, ->7
          5    >   QM_ASSIGN                                        ~6      1
          6      > JMP                                                      ->8
          7    >   QM_ASSIGN                                        ~6      0
          8    >   ECHO                                                     ~6
    7     9        BOOL_NOT                                         ~7      !0
         10        ADD                                              ~8      ~7, !1
         11      > JMPZ                                                     ~8, ->14
         12    >   QM_ASSIGN                                        ~9      1
         13      > JMP                                                      ->15
         14    >   QM_ASSIGN                                        ~9      0
         15    >   ECHO                                                     ~9
    8    16        BOOL_NOT                                         ~10     !0
         17        ADD                                              ~11     ~10, !1
         18      > JMPZ                                                     ~11, ->21
         19    >   QM_ASSIGN                                        ~12     1
         20      > JMP                                                      ->22
         21    >   QM_ASSIGN                                        ~12     0
         22    >   ECHO                                                     ~12
         23      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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