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<?php $desc1 = "foo"; echo $description = (isset($desc1) ? $desc1 : '') . (isset($desc2) ? $desc2 : '');
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
Branch analysis from position: 10
filename:       /in/fcuiA
function name:  (null)
number of ops:  15
compiled vars:  !0 = $desc1, !1 = $description, !2 = $desc2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'foo'
    3     1        ISSET_ISEMPTY_CV                                         !0
          2      > JMPZ                                                     ~4, ->5
          3    >   QM_ASSIGN                                        ~5      !0
          4      > JMP                                                      ->6
          5    >   QM_ASSIGN                                        ~5      ''
          6    >   ISSET_ISEMPTY_CV                                         !2
          7      > JMPZ                                                     ~6, ->10
          8    >   QM_ASSIGN                                        ~7      !2
          9      > JMP                                                      ->11
         10    >   QM_ASSIGN                                        ~7      ''
         11    >   CONCAT                                           ~8      ~5, ~7
         12        ASSIGN                                           ~9      !1, ~8
         13        ECHO                                                     ~9
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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