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<?php $values = [ "", null, false, 0, ]; foreach ($values as $v) { print (isset($v) ? "set\n" : "not set\n"); print ($v == "" ? "empty string" : "not empty string") ."\n\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 17
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 17
Branch analysis from position: 3
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 = 11, Position 2 = 13
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 13
Branch analysis from position: 11
Branch analysis from position: 13
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 17
filename:       /in/TTPDo
function name:  (null)
number of ops:  19
compiled vars:  !0 = $values, !1 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1      > FE_RESET_R                                       $3      !0, ->17
          2    > > FE_FETCH_R                                               $3, !1, ->17
   10     3    >   ISSET_ISEMPTY_CV                                         !1
          4      > JMPZ                                                     ~4, ->7
          5    >   QM_ASSIGN                                        ~5      'set%0A'
          6      > JMP                                                      ->8
          7    >   QM_ASSIGN                                        ~5      'not+set%0A'
          8    >   ECHO                                                     ~5
   11     9        IS_EQUAL                                                 !1, ''
         10      > JMPZ                                                     ~6, ->13
         11    >   QM_ASSIGN                                        ~7      'empty+string'
         12      > JMP                                                      ->14
         13    >   QM_ASSIGN                                        ~7      'not+empty+string'
         14    >   CONCAT                                           ~8      ~7, '%0A%0A'
         15        ECHO                                                     ~8
    9    16      > JMP                                                      ->2
         17    >   FE_FREE                                                  $3
   12    18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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