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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', ); $useragent = strtolower('Mozilla/5.0 (iPad; CPU OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B206 Safari/7534.48.3'); foreach ($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'] = $os; break; } } } user_error($os, E_USER_NOTICE); ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 38
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 38
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 26
Branch analysis from position: 10
2 jumps found. (Code = 77) Position 1 = 11, Position 2 = 24
Branch analysis from position: 11
2 jumps found. (Code = 78) Position 1 = 12, Position 2 = 24
Branch analysis from position: 12
2 jumps found. (Code = 43) Position 1 = 20, Position 2 = 23
Branch analysis from position: 20
1 jumps found. (Code = 42) Position 1 = 24
Branch analysis from position: 24
1 jumps found. (Code = 42) Position 1 = 37
Branch analysis from position: 37
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 23
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
Branch analysis from position: 24
Branch analysis from position: 24
Branch analysis from position: 26
2 jumps found. (Code = 43) Position 1 = 34, Position 2 = 37
Branch analysis from position: 34
1 jumps found. (Code = 42) Position 1 = 38
Branch analysis from position: 38
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 37
Branch analysis from position: 38
Branch analysis from position: 38
filename:       /in/246li
function name:  (null)
number of ops:  44
compiled vars:  !0 = $oses, !1 = $useragent, !2 = $identificator, !3 = $os, !4 = $ident, !5 = $browser
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   44     1        INIT_FCALL                                               'strtolower'
          2        SEND_VAL                                                 'Mozilla%2F5.0+%28iPad%3B+CPU+OS+5_1_1+like+Mac+OS+X%29+AppleWebKit%2F534.46+%28KHTML%2C+like+Gecko%29+Version%2F5.1+Mobile%2F9B206+Safari%2F7534.48.3'
          3        DO_ICALL                                         $7      
          4        ASSIGN                                                   !1, $7
   46     5      > FE_RESET_R                                       $9      !0, ->38
          6    > > FE_FETCH_R                                       ~10     $9, !2, ->38
          7    >   ASSIGN                                                   !3, ~10
   48     8        TYPE_CHECK                                  128          !2
          9      > JMPZ                                                     ~12, ->26
   50    10    > > FE_RESET_R                                       $13     !2, ->24
         11    > > FE_FETCH_R                                               $13, !4, ->24
   52    12    >   INIT_FCALL                                               'preg_match'
         13        ROPE_INIT                                     3  ~15     '%23'
         14        ROPE_ADD                                      1  ~15     ~15, !4
         15        ROPE_END                                      2  ~14     ~15, '%23i'
         16        SEND_VAL                                                 ~14
         17        SEND_VAR                                                 !1
         18        DO_ICALL                                         $17     
         19      > JMPZ                                                     $17, ->23
   54    20    >   ASSIGN_DIM                                               !5, 'os'
         21        OP_DATA                                                  !3
   55    22      > JMP                                                      ->24
   50    23    > > JMP                                                      ->11
         24    >   FE_FREE                                                  $13
         25      > JMP                                                      ->37
   61    26    >   INIT_FCALL                                               'preg_match'
         27        ROPE_INIT                                     3  ~20     '%23'
         28        ROPE_ADD                                      1  ~20     ~20, !2
         29        ROPE_END                                      2  ~19     ~20, '%23i'
         30        SEND_VAL                                                 ~19
         31        SEND_VAR                                                 !1
         32        DO_ICALL                                         $22     
         33      > JMPZ                                                     $22, ->37
   63    34    >   ASSIGN_DIM                                               !5, 'os'
         35        OP_DATA                                                  !3
   64    36      > JMP                                                      ->38
   46    37    > > JMP                                                      ->6
         38    >   FE_FREE                                                  $9
   69    39        INIT_FCALL                                               'user_error'
         40        SEND_VAR                                                 !3
         41        SEND_VAL                                                 1024
         42        DO_ICALL                                                 
   71    43      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
174.85 ms | 1403 KiB | 18 Q