3v4l.org

run code in 300+ PHP versions simultaneously
<?php # You must set this correctly to a # location where you are allowed to # create a file! $guestbook = 'guestbook.dat'; # Choose your own password $adminPassword = '$uP3rDUP3r'; # Hide harmless warning messages that confuse users. # If you have problems and you don't know why, # comment this line out for a while to get more # information from PHP error_reporting (E_ALL ^ (E_NOTICE | E_WARNING)); # No changes required below here $admin = 0; if ($adminPassword == 'Change$') { die("You need to change \$adminPassword first."); } # Undo magic quotes - useless for flat files, # and inadequate and therefore dangerous for databases. See: # http://www.boutell.com/newfaq/creating/magicquotes.html function stripslashes_nested($v) { if (is_array($v)) { return array_map('stripslashes_nested', $v); } else { return stripslashes($v); } } if (get_magic_quotes_gpc()) { $_GET = stripslashes_nested($_GET); $_POST = stripslashes_nested($_POST); } ?> <html> <head> <title>Guestbook</title> </head> <body> <h1 align="center">Triumphant Personal Care Guestbook</h1> <div align="center"> <?php $password = ""; if ($_POST['password'] == $adminPassword) { $admin = 1; $password = $adminPassword; } else if (strlen($_POST['password'])) { echo("<h2>Login Failed (Bad Password)</h2>\n"); } ?> <table border="0" cellpadding="3" cellspacing="3"> <tr><th>Date</th><th>Last Name</th><th>Comment</th> <?php if ($admin) { echo "<th>Controls</th>"; } ?> </tr> <?php if ($_POST['submit']) { $file = fopen($guestbook, "a"); if (!$file) { die("Can't write to guestbook file"); } $date = date('F j, Y, g:i a'); $id = rand(); $name = $_POST['name']; $lastname = $_POST['lastname']; $email = $_POST['email']; $comment = $_POST['comment']; $name = clean($name, 40); $lastname = clean($lastname, 40); $email = clean($email, 40); $comment = clean($comment, 40); fwrite($file, "$date\t$name\t$lastname\t$email\t$comment\t$id\n"); fclose($file); } $file = fopen($guestbook, 'r'); $tfile = null; $delete = 0; $deleteId = ''; if ($admin && $_POST['delete']) { $delete = 1; $deleteId = $_POST['id']; $tfile = @fopen("$guestbook.tmp", 'w'); if (!$tfile) { die("Can't create temporary file for delete operation"); } } if ($file) { while (!feof($file)) { $line = fgets($file); $line = trim($line); list ($date, $name, $lastname, $email, $comment, $id) = split("\t", $line, 6); if (!strlen($date)) { break; } if (!strlen($id)) { // Support my old version $id = $date; } if ($delete) { if ($id == $deleteId) { continue; } else { fwrite($tfile, "$date\t$name\t$lastname\t$email\t$comment\t$id\n"); } } echo "<tr><td>$date</td><td>$lastname</td><td>$comment</td>"; if ($admin) { echo "<td>"; echo "<form action=\"keith.php\" " . "method=\"POST\">"; passwordField(); hiddenField('id', $id); echo "<input type=\"submit\" " . "value=\"Delete\" " . "name=\"delete\">"; echo "</form>"; echo "</td>"; } echo "</tr>\n"; } fclose($file); if ($delete) { fclose($tfile); unlink($guestbook); rename("$guestbook.tmp", $guestbook); } } function clean($name, $max) { # Turn tabs and CRs into spaces so they can't # fake other fields or extra entries $name = ereg_replace("[[:space:]]", ' ', $name); # Escape < > and and & so they # can't mess withour HTML markup $name = ereg_replace('&', '&amp;', $name); $name = ereg_replace('<', '&lt;', $name); $name = ereg_replace('>', '&gt;', $name); # Don't allow excessively long entries $name = substr($name, 0, $max); # Undo PHP's "magic quotes" feature, which has # inserted a \ in front of any " characters. # We undo this because we're using a file, not a # database, so we don't want " escaped. Those # using databases should do the opposite: # call addslashes if get_magic_quotes_gpc() # returns false. return $name; } function passwordField() { global $admin; global $password; if (!$admin) { return; } hiddenField('password', $password); } function hiddenField($name, $value) { echo "<input type=\"hidden\" " . "name=\"$name\" value=\"$value\">"; } ?> </table> <?php if (!$admin) { ?> <form action="keith.php" method="POST"> <b>Admin Login</b> <p> Admin Password: <input type="password" name="password"> <input type="submit" name="login" value="Log In"> </form> <?php } ?> <form action="keith.php" method="POST"> <table border="0" cellpadding="5" cellspacing="5"> <tr> <td colspan="2">Sign My Guestbook!</td> </tr> <tr> <th>Name</th><td><input name="name" maxlength="40"></td> </tr> <tr> <th>Last Name</th><td><input name="lastname" maxlength="40"></td> </tr> <tr> <th>Email</th><td><input name="email" maxlength="40"></td> </tr> <tr> <th>Comment</th><td><input name="comment" maxlength="40"></td> </tr> <tr> <th colspan="2"> <input type="submit" name="submit" value="Sign the Guestbook"> </th> </tr> </table> <?php passwordField(); ?> </form> </div> </body> </html>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 9
Branch analysis from position: 8
1 jumps found. (Code = 79) Position 1 = -2
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 24
Branch analysis from position: 12
2 jumps found. (Code = 43) Position 1 = 30, Position 2 = 33
Branch analysis from position: 30
1 jumps found. (Code = 42) Position 1 = 38
Branch analysis from position: 38
2 jumps found. (Code = 43) Position 1 = 40, Position 2 = 41
Branch analysis from position: 40
2 jumps found. (Code = 43) Position 1 = 45, Position 2 = 111
Branch analysis from position: 45
2 jumps found. (Code = 43) Position 1 = 52, Position 2 = 53
Branch analysis from position: 52
1 jumps found. (Code = 79) Position 1 = -2
Branch analysis from position: 53
2 jumps found. (Code = 46) Position 1 = 120, Position 2 = 123
Branch analysis from position: 120
2 jumps found. (Code = 43) Position 1 = 124, Position 2 = 140
Branch analysis from position: 124
2 jumps found. (Code = 43) Position 1 = 139, Position 2 = 140
Branch analysis from position: 139
1 jumps found. (Code = 79) Position 1 = -2
Branch analysis from position: 140
2 jumps found. (Code = 43) Position 1 = 141, Position 2 = 239
Branch analysis from position: 141
1 jumps found. (Code = 42) Position 1 = 218
Branch analysis from position: 218
2 jumps found. (Code = 44) Position 1 = 223, Position 2 = 142
Branch analysis from position: 223
2 jumps found. (Code = 43) Position 1 = 227, Position 2 = 239
Branch analysis from position: 227
2 jumps found. (Code = 43) Position 1 = 242, Position 2 = 243
Branch analysis from position: 242
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 243
Branch analysis from position: 239
Branch analysis from position: 142
2 jumps found. (Code = 43) Position 1 = 171, Position 2 = 172
Branch analysis from position: 171
1 jumps found. (Code = 42) Position 1 = 223
Branch analysis from position: 223
Branch analysis from position: 172
2 jumps found. (Code = 43) Position 1 = 175, Position 2 = 176
Branch analysis from position: 175
2 jumps found. (Code = 43) Position 1 = 177, Position 2 = 197
Branch analysis from position: 177
2 jumps found. (Code = 43) Position 1 = 179, Position 2 = 181
Branch analysis from position: 179
1 jumps found. (Code = 42) Position 1 = 218
Branch analysis from position: 218
Branch analysis from position: 181
2 jumps found. (Code = 43) Position 1 = 206, Position 2 = 217
Branch analysis from position: 206
2 jumps found. (Code = 44) Position 1 = 223, Position 2 = 142
Branch analysis from position: 223
Branch analysis from position: 142
Branch analysis from position: 217
Branch analysis from position: 197
Branch analysis from position: 176
Branch analysis from position: 239
Branch analysis from position: 140
Branch analysis from position: 123
Branch analysis from position: 111
Branch analysis from position: 41
Branch analysis from position: 33
2 jumps found. (Code = 43) Position 1 = 37, Position 2 = 38
Branch analysis from position: 37
2 jumps found. (Code = 43) Position 1 = 40, Position 2 = 41
Branch analysis from position: 40
Branch analysis from position: 41
Branch analysis from position: 38
Branch analysis from position: 24
filename:       /in/Zr2No
function name:  (null)
number of ops:  248
compiled vars:  !0 = $guestbook, !1 = $adminPassword, !2 = $admin, !3 = $password, !4 = $file, !5 = $date, !6 = $id, !7 = $name, !8 = $lastname, !9 = $email, !10 = $comment, !11 = $tfile, !12 = $delete, !13 = $deleteId, !14 = $line
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   ASSIGN                                                   !0, 'guestbook.dat'
    7     1        ASSIGN                                                   !1, '%24uP3rDUP3r'
   12     2        INIT_FCALL                                               'error_reporting'
          3        SEND_VAL                                                 32757
          4        DO_ICALL                                                 
   16     5        ASSIGN                                                   !2, 0
   17     6        IS_EQUAL                                                 !1, 'Change%24'
          7      > JMPZ                                                     ~19, ->9
   18     8    > > EXIT                                                     'You+need+to+change+%24adminPassword+first.'
   34     9    >   INIT_FCALL_BY_NAME                                       'get_magic_quotes_gpc'
         10        DO_FCALL                                      0  $20     
         11      > JMPZ                                                     $20, ->24
   35    12    >   INIT_FCALL                                               'stripslashes_nested'
         13        FETCH_R                      global              ~22     '_GET'
         14        SEND_VAL                                                 ~22
         15        DO_FCALL                                      0  $23     
         16        FETCH_W                      global              $21     '_GET'
         17        ASSIGN                                                   $21, $23
   36    18        INIT_FCALL                                               'stripslashes_nested'
         19        FETCH_R                      global              ~26     '_POST'
         20        SEND_VAL                                                 ~26
         21        DO_FCALL                                      0  $27     
         22        FETCH_W                      global              $25     '_POST'
         23        ASSIGN                                                   $25, $27
   39    24    >   ECHO                                                     '%3Chtml%3E%0A%3Chead%3E%0A%3Ctitle%3EGuestbook%3C%2Ftitle%3E%0A%3C%2Fhead%3E%0A%3Cbody%3E%0A%3Ch1+align%3D%22center%22%3ETriumphant+Personal+Care+Guestbook%3C%2Fh1%3E%0A%3Cdiv+align%3D%22center%22%3E%0A'
   47    25        ASSIGN                                                   !3, ''
   48    26        FETCH_R                      global              ~30     '_POST'
         27        FETCH_DIM_R                                      ~31     ~30, 'password'
         28        IS_EQUAL                                                 !1, ~31
         29      > JMPZ                                                     ~32, ->33
   49    30    >   ASSIGN                                                   !2, 1
   50    31        ASSIGN                                                   !3, !1
         32      > JMP                                                      ->38
   51    33    >   FETCH_R                      global              ~35     '_POST'
         34        FETCH_DIM_R                                      ~36     ~35, 'password'
         35        STRLEN                                           ~37     ~36
         36      > JMPZ                                                     ~37, ->38
   52    37    >   ECHO                                                     '%3Ch2%3ELogin+Failed+%28Bad+Password%29%3C%2Fh2%3E%0A'
   54    38    >   ECHO                                                     '%09%0A%3Ctable+border%3D%220%22+cellpadding%3D%223%22+cellspacing%3D%223%22%3E%0A%3Ctr%3E%3Cth%3EDate%3C%2Fth%3E%3Cth%3ELast+Name%3C%2Fth%3E%3Cth%3EComment%3C%2Fth%3E%0A'
   58    39      > JMPZ                                                     !2, ->41
   59    40    >   ECHO                                                     '%3Cth%3EControls%3C%2Fth%3E'
   62    41    >   ECHO                                                     '%3C%2Ftr%3E%0A'
   64    42        FETCH_R                      global              ~38     '_POST'
         43        FETCH_DIM_R                                      ~39     ~38, 'submit'
         44      > JMPZ                                                     ~39, ->111
   65    45    >   INIT_FCALL                                               'fopen'
         46        SEND_VAR                                                 !0
         47        SEND_VAL                                                 'a'
         48        DO_ICALL                                         $40     
         49        ASSIGN                                                   !4, $40
   66    50        BOOL_NOT                                         ~42     !4
         51      > JMPZ                                                     ~42, ->53
   67    52    > > EXIT                                                     'Can%27t+write+to+guestbook+file'
   69    53    >   INIT_FCALL                                               'date'
         54        SEND_VAL                                                 'F+j%2C+Y%2C+g%3Ai+a'
         55        DO_ICALL                                         $43     
         56        ASSIGN                                                   !5, $43
   70    57        INIT_FCALL                                               'rand'
         58        DO_ICALL                                         $45     
         59        ASSIGN                                                   !6, $45
   71    60        FETCH_R                      global              ~47     '_POST'
         61        FETCH_DIM_R                                      ~48     ~47, 'name'
         62        ASSIGN                                                   !7, ~48
   72    63        FETCH_R                      global              ~50     '_POST'
         64        FETCH_DIM_R                                      ~51     ~50, 'lastname'
         65        ASSIGN                                                   !8, ~51
   73    66        FETCH_R                      global              ~53     '_POST'
         67        FETCH_DIM_R                                      ~54     ~53, 'email'
         68        ASSIGN                                                   !9, ~54
   74    69        FETCH_R                      global              ~56     '_POST'
         70        FETCH_DIM_R                                      ~57     ~56, 'comment'
         71        ASSIGN                                                   !10, ~57
   75    72        INIT_FCALL_BY_NAME                                       'clean'
         73        SEND_VAR_EX                                              !7
         74        SEND_VAL_EX                                              40
         75        DO_FCALL                                      0  $59     
         76        ASSIGN                                                   !7, $59
   76    77        INIT_FCALL_BY_NAME                                       'clean'
         78        SEND_VAR_EX                                              !8
         79        SEND_VAL_EX                                              40
         80        DO_FCALL                                      0  $61     
         81        ASSIGN                                                   !8, $61
   77    82        INIT_FCALL_BY_NAME                                       'clean'
         83        SEND_VAR_EX                                              !9
         84        SEND_VAL_EX                                              40
         85        DO_FCALL                                      0  $63     
         86        ASSIGN                                                   !9, $63
   78    87        INIT_FCALL_BY_NAME                                       'clean'
         88        SEND_VAR_EX                                              !10
         89        SEND_VAL_EX                                              40
         90        DO_FCALL                                      0  $65     
         91        ASSIGN                                                   !10, $65
   79    92        INIT_FCALL                                               'fwrite'
         93        SEND_VAR                                                 !4
   80    94        ROPE_INIT                                    12  ~68     !5
         95        ROPE_ADD                                      1  ~68     ~68, '%09'
         96        ROPE_ADD                                      2  ~68     ~68, !7
         97        ROPE_ADD                                      3  ~68     ~68, '%09'
         98        ROPE_ADD                                      4  ~68     ~68, !8
         99        ROPE_ADD                                      5  ~68     ~68, '%09'
        100        ROPE_ADD                                      6  ~68     ~68, !9
        101        ROPE_ADD                                      7  ~68     ~68, '%09'
        102        ROPE_ADD                                      8  ~68     ~68, !10
        103        ROPE_ADD                                      9  ~68     ~68, '%09'
        104        ROPE_ADD                                     10  ~68     ~68, !6
        105        ROPE_END                                     11  ~67     ~68, '%0A'
        106        SEND_VAL                                                 ~67
        107        DO_ICALL                                                 
   81   108        INIT_FCALL                                               'fclose'
        109        SEND_VAR                                                 !4
        110        DO_ICALL                                                 
   83   111    >   INIT_FCALL                                               'fopen'
        112        SEND_VAR                                                 !0
        113        SEND_VAL                                                 'r'
        114        DO_ICALL                                         $76     
        115        ASSIGN                                                   !4, $76
   84   116        ASSIGN                                                   !11, null
   85   117        ASSIGN                                                   !12, 0
   86   118        ASSIGN                                                   !13, ''
   87   119      > JMPZ_EX                                          ~81     !2, ->123
        120    >   FETCH_R                      global              ~82     '_POST'
        121        FETCH_DIM_R                                      ~83     ~82, 'delete'
        122        BOOL                                             ~81     ~83
        123    > > JMPZ                                                     ~81, ->140
   88   124    >   ASSIGN                                                   !12, 1
   89   125        FETCH_R                      global              ~85     '_POST'
        126        FETCH_DIM_R                                      ~86     ~85, 'id'
        127        ASSIGN                                                   !13, ~86
   90   128        BEGIN_SILENCE                                    ~88     
        129        INIT_FCALL                                               'fopen'
        130        NOP                                                      
        131        FAST_CONCAT                                      ~89     !0, '.tmp'
        132        SEND_VAL                                                 ~89
        133        SEND_VAL                                                 'w'
        134        DO_ICALL                                         $90     
        135        END_SILENCE                                              ~88
        136        ASSIGN                                                   !11, $90
   91   137        BOOL_NOT                                         ~92     !11
        138      > JMPZ                                                     ~92, ->140
   92   139    > > EXIT                                                     'Can%27t+create+temporary+file+for+delete+operation'
   95   140    > > JMPZ                                                     !4, ->239
   96   141    > > JMP                                                      ->218
   97   142    >   INIT_FCALL                                               'fgets'
        143        SEND_VAR                                                 !4
        144        DO_ICALL                                         $93     
        145        ASSIGN                                                   !14, $93
   98   146        INIT_FCALL                                               'trim'
        147        SEND_VAR                                                 !14
        148        DO_ICALL                                         $95     
        149        ASSIGN                                                   !14, $95
  100   150        INIT_FCALL_BY_NAME                                       'split'
        151        SEND_VAL_EX                                              '%09'
        152        SEND_VAR_EX                                              !14
        153        SEND_VAL_EX                                              6
        154        DO_FCALL                                      0  $97     
        155        FETCH_LIST_R                                     $98     $97, 0
   99   156        ASSIGN                                                   !5, $98
        157        FETCH_LIST_R                                     $100    $97, 1
        158        ASSIGN                                                   !7, $100
        159        FETCH_LIST_R                                     $102    $97, 2
        160        ASSIGN                                                   !8, $102
        161        FETCH_LIST_R                                     $104    $97, 3
        162        ASSIGN                                                   !9, $104
        163        FETCH_LIST_R                                     $106    $97, 4
        164        ASSIGN                                                   !10, $106
        165        FETCH_LIST_R                                     $108    $97, 5
        166        ASSIGN                                                   !6, $108
        167        FREE                                                     $97
  101   168        STRLEN                                           ~110    !5
        169        BOOL_NOT                                         ~111    ~110
        170      > JMPZ                                                     ~111, ->172
  102   171    > > JMP                                                      ->223
  104   172    >   STRLEN                                           ~112    !6
        173        BOOL_NOT                                         ~113    ~112
        174      > JMPZ                                                     ~113, ->176
  106   175    >   ASSIGN                                                   !6, !5
  108   176    > > JMPZ                                                     !12, ->197
  109   177    >   IS_EQUAL                                                 !6, !13
        178      > JMPZ                                                     ~115, ->181
  110   179    > > JMP                                                      ->218
        180*       JMP                                                      ->197
  112   181    >   INIT_FCALL                                               'fwrite'
        182        SEND_VAR                                                 !11
  113   183        ROPE_INIT                                    12  ~117    !5
        184        ROPE_ADD                                      1  ~117    ~117, '%09'
        185        ROPE_ADD                                      2  ~117    ~117, !7
        186        ROPE_ADD                                      3  ~117    ~117, '%09'
        187        ROPE_ADD                                      4  ~117    ~117, !8
        188        ROPE_ADD                                      5  ~117    ~117, '%09'
        189        ROPE_ADD                                      6  ~117    ~117, !9
        190        ROPE_ADD                                      7  ~117    ~117, '%09'
        191        ROPE_ADD                                      8  ~117    ~117, !10
        192        ROPE_ADD                                      9  ~117    ~117, '%09'
        193        ROPE_ADD                                     10  ~117    ~117, !6
        194        ROPE_END                                     11  ~116    ~117, '%0A'
        195        SEND_VAL                                                 ~116
        196        DO_ICALL                                                 
  116   197    >   ROPE_INIT                                     7  ~125    '%3Ctr%3E%3Ctd%3E'
        198        ROPE_ADD                                      1  ~125    ~125, !5
        199        ROPE_ADD                                      2  ~125    ~125, '%3C%2Ftd%3E%3Ctd%3E'
        200        ROPE_ADD                                      3  ~125    ~125, !8
        201        ROPE_ADD                                      4  ~125    ~125, '%3C%2Ftd%3E%3Ctd%3E'
        202        ROPE_ADD                                      5  ~125    ~125, !10
        203        ROPE_END                                      6  ~124    ~125, '%3C%2Ftd%3E'
        204        ECHO                                                     ~124
  118   205      > JMPZ                                                     !2, ->217
  119   206    >   ECHO                                                     '%3Ctd%3E'
  121   207        ECHO                                                     '%3Cform+action%3D%22keith.php%22+method%3D%22POST%22%3E'
  122   208        INIT_FCALL_BY_NAME                                       'passwordField'
        209        DO_FCALL                                      0          
  123   210        INIT_FCALL_BY_NAME                                       'hiddenField'
        211        SEND_VAL_EX                                              'id'
        212        SEND_VAR_EX                                              !6
        213        DO_FCALL                                      0          
  126   214        ECHO                                                     '%3Cinput+type%3D%22submit%22+value%3D%22Delete%22+name%3D%22delete%22%3E'
  127   215        ECHO                                                     '%3C%2Fform%3E'
  128   216        ECHO                                                     '%3C%2Ftd%3E'
  130   217    >   ECHO                                                     '%3C%2Ftr%3E%0A'
   96   218    >   INIT_FCALL                                               'feof'
        219        SEND_VAR                                                 !4
        220        DO_ICALL                                         $131    
        221        BOOL_NOT                                         ~132    $131
        222      > JMPNZ                                                    ~132, ->142
  132   223    >   INIT_FCALL                                               'fclose'
        224        SEND_VAR                                                 !4
        225        DO_ICALL                                                 
  133   226      > JMPZ                                                     !12, ->239
  134   227    >   INIT_FCALL                                               'fclose'
        228        SEND_VAR                                                 !11
        229        DO_ICALL                                                 
  135   230        INIT_FCALL                                               'unlink'
        231        SEND_VAR                                                 !0
        232        DO_ICALL                                                 
  136   233        INIT_FCALL                                               'rename'
        234        NOP                                                      
        235        FAST_CONCAT                                      ~136    !0, '.tmp'
        236        SEND_VAL                                                 ~136
        237        SEND_VAR                                                 !0
        238        DO_ICALL                                                 
  172   239    >   ECHO                                                     '%3C%2Ftable%3E%0A'
  174   240        BOOL_NOT                                         ~138    !2
        241      > JMPZ                                                     ~138, ->243
  176   242    >   ECHO                                                     '%3Cform+action%3D%22keith.php%22+method%3D%22POST%22%3E%0A%3Cb%3EAdmin+Login%3C%2Fb%3E%0A%3Cp%3E%0AAdmin+Password%3A+%3Cinput+type%3D%22password%22+name%3D%22password%22%3E%0A%3Cinput+type%3D%22submit%22+name%3D%22login%22+value%3D%22Log+In%22%3E%0A%3C%2Fform%3E%0A'
  185   243    >   ECHO                                                     '%3Cform+action%3D%22keith.php%22+method%3D%22POST%22%3E%0A%3Ctable+border%3D%220%22+cellpadding%3D%225%22+cellspacing%3D%225%22%3E%0A%3Ctr%3E%0A%3Ctd+colspan%3D%222%22%3ESign+My+Guestbook%21%3C%2Ftd%3E%0A%3C%2Ftr%3E%0A%3Ctr%3E%0A%3Cth%3EName%3C%2Fth%3E%3Ctd%3E%3Cinput+name%3D%22name%22+maxlength%3D%2240%22%3E%3C%2Ftd%3E%0A%3C%2Ftr%3E%0A%3Ctr%3E%0A%3Cth%3ELast+Name%3C%2Fth%3E%3Ctd%3E%3Cinput+name%3D%22lastname%22+maxlength%3D%2240%22%3E%3C%2Ftd%3E%0A%3C%2Ftr%3E%0A%3Ctr%3E%0A%3Cth%3EEmail%3C%2Fth%3E%3Ctd%3E%3Cinput+name%3D%22email%22+maxlength%3D%2240%22%3E%3C%2Ftd%3E%0A%3C%2Ftr%3E%0A%3Ctr%3E%0A%3Cth%3EComment%3C%2Fth%3E%3Ctd%3E%3Cinput+name%3D%22comment%22+maxlength%3D%2240%22%3E%3C%2Ftd%3E%0A%3C%2Ftr%3E%0A%3Ctr%3E%0A%3Cth+colspan%3D%222%22%3E%0A%3Cinput+type%3D%22submit%22+name%3D%22submit%22+value%3D%22Sign+the+Guestbook%22%3E%0A%3C%2Fth%3E%0A%3C%2Ftr%3E%0A%0A%3C%2Ftable%3E+%0A'
  210   244        INIT_FCALL                                               'passwordfield'
        245        DO_FCALL                                      0          
  212   246        ECHO                                                     '%3C%2Fform%3E%0A%3C%2Fdiv%3E%0A%3C%2Fbody%3E%0A%3C%2Fhtml%3E'
  215   247      > RETURN                                                   1

Function stripslashes_nested:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 9
Branch analysis from position: 3
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Zr2No
function name:  stripslashes_nested
number of ops:  14
compiled vars:  !0 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   25     0  E >   RECV                                             !0      
   27     1        TYPE_CHECK                                  128          !0
          2      > JMPZ                                                     ~1, ->9
   28     3    >   INIT_FCALL                                               'array_map'
          4        SEND_VAL                                                 'stripslashes_nested'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $2      
          7      > RETURN                                                   $2
          8*       JMP                                                      ->13
   30     9    >   INIT_FCALL                                               'stripslashes'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                         $3      
         12      > RETURN                                                   $3
   32    13*     > RETURN                                                   null

End of function stripslashes_nested

Function clean:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Zr2No
function name:  clean
number of ops:  34
compiled vars:  !0 = $name, !1 = $max
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
  139     0  E >   RECV                                             !0      
          1        RECV                                             !1      
  142     2        INIT_FCALL_BY_NAME                                       'ereg_replace'
          3        SEND_VAL_EX                                              '%5B%5B%3Aspace%3A%5D%5D'
          4        SEND_VAL_EX                                              '+'
          5        SEND_VAR_EX                                              !0
          6        DO_FCALL                                      0  $2      
          7        ASSIGN                                                   !0, $2
  145     8        INIT_FCALL_BY_NAME                                       'ereg_replace'
          9        SEND_VAL_EX                                              '%26'
         10        SEND_VAL_EX                                              '%26amp%3B'
         11        SEND_VAR_EX                                              !0
         12        DO_FCALL                                      0  $4      
         13        ASSIGN                                                   !0, $4
  146    14        INIT_FCALL_BY_NAME                                       'ereg_replace'
         15        SEND_VAL_EX                                              '%3C'
         16        SEND_VAL_EX                                              '%26lt%3B'
         17        SEND_VAR_EX                                              !0
         18        DO_FCALL                                      0  $6      
         19        ASSIGN                                                   !0, $6
  147    20        INIT_FCALL_BY_NAME                                       'ereg_replace'
         21        SEND_VAL_EX                                              '%3E'
         22        SEND_VAL_EX                                              '%26gt%3B'
         23        SEND_VAR_EX                                              !0
         24        DO_FCALL                                      0  $8      
         25        ASSIGN                                                   !0, $8
  149    26        INIT_FCALL                                               'substr'
         27        SEND_VAR                                                 !0
         28        SEND_VAL                                                 0
         29        SEND_VAR                                                 !1
         30        DO_ICALL                                         $10     
         31        ASSIGN                                                   !0, $10
  157    32      > RETURN                                                   !0
  158    33*     > RETURN                                                   null

End of function clean

Function passwordfield:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 5
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Zr2No
function name:  passwordField
number of ops:  10
compiled vars:  !0 = $admin, !1 = $password
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
  160     0  E >   BIND_GLOBAL                                              !0, 'admin'
  161     1        BIND_GLOBAL                                              !1, 'password'
  162     2        BOOL_NOT                                         ~2      !0
          3      > JMPZ                                                     ~2, ->5
  163     4    > > RETURN                                                   null
  165     5    >   INIT_FCALL_BY_NAME                                       'hiddenField'
          6        SEND_VAL_EX                                              'password'
          7        SEND_VAR_EX                                              !1
          8        DO_FCALL                                      0          
  166     9      > RETURN                                                   nul

Generated using Vulcan Logic Dumper, using php 8.0.0

preferences:
158.13 ms | 1431 KiB | 47 Q