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<?php $strings = [ 'data:image/png;base64,LongBase64ValueHereOfAnImage1', 'data:application/octet-stream;base64,LongBase64ValueHereOfAnImage2', 'data:image/vnd.microsoft.icon;base64,LongBase64ValueHereOfAnImage3' ]; $pattern = '/base64,(.+)$/'; foreach($strings as $string) { $p = preg_match('/^data:(?P<mime>\w+\/.+);base64,(?P<data>.+)$/', $string, $matches); var_dump($matches); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 14
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 14
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
filename:       /in/88nLS
function name:  (null)
number of ops:  16
compiled vars:  !0 = $strings, !1 = $pattern, !2 = $string, !3 = $p, !4 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   10     1        ASSIGN                                                   !1, '%2Fbase64%2C%28.%2B%29%24%2F'
   11     2      > FE_RESET_R                                       $7      !0, ->14
          3    > > FE_FETCH_R                                               $7, !2, ->14
   12     4    >   INIT_FCALL                                               'preg_match'
          5        SEND_VAL                                                 '%2F%5Edata%3A%28%3FP%3Cmime%3E%5Cw%2B%5C%2F.%2B%29%3Bbase64%2C%28%3FP%3Cdata%3E.%2B%29%24%2F'
          6        SEND_VAR                                                 !2
          7        SEND_REF                                                 !4
          8        DO_ICALL                                         $8      
          9        ASSIGN                                                   !3, $8
   13    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !4
         12        DO_ICALL                                                 
   11    13      > JMP                                                      ->3
         14    >   FE_FREE                                                  $7
   14    15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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