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<?php $array = array(null, false, 0, array(), 'false'); foreach ($array as $heru) { echo '!Isset: ' . (!isset($heru) ? 'True' : 'False') . PHP_EOL; echo '!: ' . (!$heru ? 'True' : 'False') . PHP_EOL; echo 'empty: ' . (empty($heru) ? 'True' : 'False') . PHP_EOL; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 29
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 29
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 14, Position 2 = 16
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 24
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 25
Branch analysis from position: 25
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 24
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 16
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 24
Branch analysis from position: 22
Branch analysis from position: 24
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 14, Position 2 = 16
Branch analysis from position: 14
Branch analysis from position: 16
Branch analysis from position: 29
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 29
filename:       /in/LqN8T
function name:  (null)
number of ops:  31
compiled vars:  !0 = $array, !1 = $heru
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1      > FE_RESET_R                                       $3      !0, ->29
          2    > > FE_FETCH_R                                               $3, !1, ->29
    6     3    >   ISSET_ISEMPTY_CV                                 ~4      !1
          4        BOOL_NOT                                         ~5      ~4
          5      > JMPZ                                                     ~5, ->8
          6    >   QM_ASSIGN                                        ~6      'True'
          7      > JMP                                                      ->9
          8    >   QM_ASSIGN                                        ~6      'False'
          9    >   CONCAT                                           ~7      '%21Isset%3A+', ~6
         10        CONCAT                                           ~8      ~7, '%0A'
         11        ECHO                                                     ~8
    7    12        BOOL_NOT                                         ~9      !1
         13      > JMPZ                                                     ~9, ->16
         14    >   QM_ASSIGN                                        ~10     'True'
         15      > JMP                                                      ->17
         16    >   QM_ASSIGN                                        ~10     'False'
         17    >   CONCAT                                           ~11     '%21%3A++++++', ~10
         18        CONCAT                                           ~12     ~11, '%0A'
         19        ECHO                                                     ~12
    8    20        ISSET_ISEMPTY_CV                                         !1
         21      > JMPZ                                                     ~13, ->24
         22    >   QM_ASSIGN                                        ~14     'True'
         23      > JMP                                                      ->25
         24    >   QM_ASSIGN                                        ~14     'False'
         25    >   CONCAT                                           ~15     'empty%3A++', ~14
         26        CONCAT                                           ~16     ~15, '%0A'
         27        ECHO                                                     ~16
    5    28      > JMP                                                      ->2
         29    >   FE_FREE                                                  $3
    9    30      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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