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<?php $flag = 2; // true if ($flag) echo "I am true.\n"; $flag = 0; // false if (!$flag) echo "I am false.\n"; $flag = -1; if ($flag) { echo "Null is true.\n"; } if (!$flag) { echo "Null is false.\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 2, Position 2 = 3
Branch analysis from position: 2
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 7
Branch analysis from position: 6
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 10
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 13
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
Branch analysis from position: 10
Branch analysis from position: 7
Branch analysis from position: 3
filename:       /in/KfhqP
function name:  (null)
number of ops:  14
compiled vars:  !0 = $flag
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 2
    3     1      > JMPZ                                                     !0, ->3
          2    >   ECHO                                                     'I+am+true.%0A'
    4     3    >   ASSIGN                                                   !0, 0
    5     4        BOOL_NOT                                         ~3      !0
          5      > JMPZ                                                     ~3, ->7
          6    >   ECHO                                                     'I+am+false.%0A'
    6     7    >   ASSIGN                                                   !0, -1
    7     8      > JMPZ                                                     !0, ->10
    8     9    >   ECHO                                                     'Null+is+true.%0A'
   10    10    >   BOOL_NOT                                         ~5      !0
         11      > JMPZ                                                     ~5, ->13
   11    12    >   ECHO                                                     'Null+is+false.%0A'
   12    13    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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