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<?php if($a = opendir(".")){ while($b = readdir($a)){ if(is_file($b)){ if(is_writable($b)){ echo "File ".$b." is writable\n"; } else { echo "File ".$b." is not writable\n"; } } elseif(is_dir($b)){ if(is_writable($b)){ echo "DIR ".$b." is writable\n"; } else { echo "DIR ".$b." is not writable\n"; } } } } else { echo "Can't opendir()"; } ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 43
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 37
Branch analysis from position: 37
2 jumps found. (Code = 44) Position 1 = 42, Position 2 = 6
Branch analysis from position: 42
1 jumps found. (Code = 42) Position 1 = 44
Branch analysis from position: 44
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 22
Branch analysis from position: 10
2 jumps found. (Code = 43) Position 1 = 14, Position 2 = 18
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 21
Branch analysis from position: 21
1 jumps found. (Code = 42) Position 1 = 37
Branch analysis from position: 37
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 37
Branch analysis from position: 37
Branch analysis from position: 22
2 jumps found. (Code = 43) Position 1 = 26, Position 2 = 37
Branch analysis from position: 26
2 jumps found. (Code = 43) Position 1 = 30, Position 2 = 34
Branch analysis from position: 30
1 jumps found. (Code = 42) Position 1 = 37
Branch analysis from position: 37
Branch analysis from position: 34
2 jumps found. (Code = 44) Position 1 = 42, Position 2 = 6
Branch analysis from position: 42
Branch analysis from position: 6
Branch analysis from position: 37
Branch analysis from position: 43
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YBItP
function name:  (null)
number of ops:  45
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'opendir'
          1        SEND_VAL                                                 '.'
          2        DO_ICALL                                         $2      
          3        ASSIGN                                           ~3      !0, $2
          4      > JMPZ                                                     ~3, ->43
    3     5    > > JMP                                                      ->37
    4     6    >   INIT_FCALL                                               'is_file'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                         $4      
          9      > JMPZ                                                     $4, ->22
    5    10    >   INIT_FCALL                                               'is_writable'
         11        SEND_VAR                                                 !1
         12        DO_ICALL                                         $5      
         13      > JMPZ                                                     $5, ->18
    6    14    >   CONCAT                                           ~6      'File+', !1
         15        CONCAT                                           ~7      ~6, '+is+writable%0A'
         16        ECHO                                                     ~7
         17      > JMP                                                      ->21
    8    18    >   CONCAT                                           ~8      'File+', !1
         19        CONCAT                                           ~9      ~8, '+is+not+writable%0A'
         20        ECHO                                                     ~9
         21    > > JMP                                                      ->37
   10    22    >   INIT_FCALL                                               'is_dir'
         23        SEND_VAR                                                 !1
         24        DO_ICALL                                         $10     
         25      > JMPZ                                                     $10, ->37
   11    26    >   INIT_FCALL                                               'is_writable'
         27        SEND_VAR                                                 !1
         28        DO_ICALL                                         $11     
         29      > JMPZ                                                     $11, ->34
   12    30    >   CONCAT                                           ~12     'DIR+', !1
         31        CONCAT                                           ~13     ~12, '+is+writable%0A'
         32        ECHO                                                     ~13
         33      > JMP                                                      ->37
   14    34    >   CONCAT                                           ~14     'DIR+', !1
         35        CONCAT                                           ~15     ~14, '+is+not+writable%0A'
         36        ECHO                                                     ~15
    3    37    >   INIT_FCALL                                               'readdir'
         38        SEND_VAR                                                 !0
         39        DO_ICALL                                         $16     
         40        ASSIGN                                           ~17     !1, $16
         41      > JMPNZ                                                    ~17, ->6
         42    > > JMP                                                      ->44
   19    43    >   ECHO                                                     'Can%27t+opendir%28%29'
   21    44    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
166.65 ms | 1400 KiB | 23 Q