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run code in 300+ PHP versions simultaneously
<?php $oses = array( 'Windows 8' => 'windows nt 6.2', 'Windows 7' => 'windows nt 6.1', 'Windows Vista' => 'windows nt 6.0', 'Windows XP' => array('winnt5.1', 'windows nt 5.1'), 'Windows 2000' => array('winnt5.0', 'windows nt 5.0'), 'Windows NT' => array('winnt4.0', 'windows nt 4.0'), 'Windows 95' => array('win95', 'windows 95'), 'Windows 98' => array('win98', 'windows 98'), 'Windows 2003 Server' => 'windows nt 5.2', 'Windows CE' => 'windows ce', 'Windows ME' => array('windows 9x 4.90', 'windows me'), 'Windows Unatended' => 'windows', 'Mac OS X 10.0' => 'mac os x 10.0', 'Mac OS X 10.1' => 'mac os x 10.1', 'Mac OS X 10.2' => 'mac os x 10.2', 'Mac OS X 10.3' => 'mac os x 10.3', 'Mac OS X 10.4' => 'mac os x 10.4', 'Mac OS X 10.5' => 'mac os x 10.5', 'Mac OS X 10.6' => 'mac os x 10.6', 'Mac OS X 10.7' => 'mac os x 10.7', 'Mac OS X 10.8' => 'mac os x 10.8', 'Mac OS X 10.9' => 'mac os x 10.9', 'Mac OS X' => 'mac os x', 'Macintosh' => array('powerpc', 'macintosh'), 'iOS' => array('iphone', 'ipad', 'ipod'), 'Android 5.x' => 'android 5', 'Android 4.x' => 'android 4', 'Android 3.x' => 'android 3', 'Android 2.x' => 'android 2', 'Android 1.x' => 'android 1', 'Android' => 'android', 'Linux' => 'linux', 'Free BSD' => 'freebsd', 'Net BSD' => 'netbsd', 'Open BSD' => 'openbsd', 'Sun OS' => 'sunos', 'Symbian' => 'symbian', 'Tapatalk' => 'tapatalk', ); foreach ($oses as $os => $identificator) { if (is_array($identificator)) { foreach ($identificator as $ident) { if (preg_match("#$ident#i", $useragent)) { $browser['os'] = $os; break; } } } else { if (preg_match("#$identificator#i", $useragent)) { $browser['os'] = $os; break; } } } ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 34
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 34
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 22
Branch analysis from position: 6
2 jumps found. (Code = 77) Position 1 = 7, Position 2 = 20
Branch analysis from position: 7
2 jumps found. (Code = 78) Position 1 = 8, Position 2 = 20
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 16, Position 2 = 19
Branch analysis from position: 16
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
1 jumps found. (Code = 42) Position 1 = 33
Branch analysis from position: 33
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 19
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
Branch analysis from position: 20
Branch analysis from position: 20
Branch analysis from position: 22
2 jumps found. (Code = 43) Position 1 = 30, Position 2 = 33
Branch analysis from position: 30
1 jumps found. (Code = 42) Position 1 = 34
Branch analysis from position: 34
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 33
Branch analysis from position: 34
Branch analysis from position: 34
filename:       /in/GFNhk
function name:  (null)
number of ops:  36
compiled vars:  !0 = $oses, !1 = $identificator, !2 = $os, !3 = $ident, !4 = $useragent, !5 = $browser
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   44     1      > FE_RESET_R                                       $7      !0, ->34
          2    > > FE_FETCH_R                                       ~8      $7, !1, ->34
          3    >   ASSIGN                                                   !2, ~8
   46     4        TYPE_CHECK                                  128          !1
          5      > JMPZ                                                     ~10, ->22
   48     6    > > FE_RESET_R                                       $11     !1, ->20
          7    > > FE_FETCH_R                                               $11, !3, ->20
   50     8    >   INIT_FCALL                                               'preg_match'
          9        ROPE_INIT                                     3  ~13     '%23'
         10        ROPE_ADD                                      1  ~13     ~13, !3
         11        ROPE_END                                      2  ~12     ~13, '%23i'
         12        SEND_VAL                                                 ~12
         13        SEND_VAR                                                 !4
         14        DO_ICALL                                         $15     
         15      > JMPZ                                                     $15, ->19
   52    16    >   ASSIGN_DIM                                               !5, 'os'
         17        OP_DATA                                                  !2
   53    18      > JMP                                                      ->20
   48    19    > > JMP                                                      ->7
         20    >   FE_FREE                                                  $11
         21      > JMP                                                      ->33
   59    22    >   INIT_FCALL                                               'preg_match'
         23        ROPE_INIT                                     3  ~18     '%23'
         24        ROPE_ADD                                      1  ~18     ~18, !1
         25        ROPE_END                                      2  ~17     ~18, '%23i'
         26        SEND_VAL                                                 ~17
         27        SEND_VAR                                                 !4
         28        DO_ICALL                                         $20     
         29      > JMPZ                                                     $20, ->33
   61    30    >   ASSIGN_DIM                                               !5, 'os'
         31        OP_DATA                                                  !2
   62    32      > JMP                                                      ->34
   44    33    > > JMP                                                      ->2
         34    >   FE_FREE                                                  $7
   68    35      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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