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<?php echo (isset($a)) ? 'a isset' : 'a is not set'; echo "\n"; echo ($a==0) ? 'a is false' : 'a is true'; echo "\n"; $b = null; echo (isset($b)) ? 'b isset' : 'b is not set'; echo "\n"; echo ($b==0) ? 'b is false' : 'b is true'; echo "\n";
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 2, Position 2 = 4
Branch analysis from position: 2
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 11
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
2 jumps found. (Code = 43) Position 1 = 24, Position 2 = 26
Branch analysis from position: 24
1 jumps found. (Code = 42) Position 1 = 27
Branch analysis from position: 27
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 26
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
2 jumps found. (Code = 43) Position 1 = 24, Position 2 = 26
Branch analysis from position: 24
Branch analysis from position: 26
Branch analysis from position: 11
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
Branch analysis from position: 19
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 11
Branch analysis from position: 9
Branch analysis from position: 11
filename:       /in/EYUif
function name:  (null)
number of ops:  30
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ISSET_ISEMPTY_CV                                         !0
          1      > JMPZ                                                     ~2, ->4
          2    >   QM_ASSIGN                                        ~3      'a+isset'
          3      > JMP                                                      ->5
          4    >   QM_ASSIGN                                        ~3      'a+is+not+set'
          5    >   ECHO                                                     ~3
    3     6        ECHO                                                     '%0A'
    4     7        IS_EQUAL                                                 !0, 0
          8      > JMPZ                                                     ~4, ->11
          9    >   QM_ASSIGN                                        ~5      'a+is+false'
         10      > JMP                                                      ->12
         11    >   QM_ASSIGN                                        ~5      'a+is+true'
         12    >   ECHO                                                     ~5
    5    13        ECHO                                                     '%0A'
    7    14        ASSIGN                                                   !1, null
    8    15        ISSET_ISEMPTY_CV                                         !1
         16      > JMPZ                                                     ~7, ->19
         17    >   QM_ASSIGN                                        ~8      'b+isset'
         18      > JMP                                                      ->20
         19    >   QM_ASSIGN                                        ~8      'b+is+not+set'
         20    >   ECHO                                                     ~8
    9    21        ECHO                                                     '%0A'
   10    22        IS_EQUAL                                                 !1, 0
         23      > JMPZ                                                     ~9, ->26
         24    >   QM_ASSIGN                                        ~10     'b+is+false'
         25      > JMP                                                      ->27
         26    >   QM_ASSIGN                                        ~10     'b+is+true'
         27    >   ECHO                                                     ~10
   11    28        ECHO                                                     '%0A'
         29      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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