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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) { $p = substr($string, stripos($string, 'base64,')+7); var_dump($p); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 18
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 18
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 18
filename:       /in/scQcd
function name:  (null)
number of ops:  20
compiled vars:  !0 = $strings, !1 = $pattern, !2 = $string, !3 = $p
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                                       $6      !0, ->18
          3    > > FE_FETCH_R                                               $6, !2, ->18
   12     4    >   INIT_FCALL                                               'substr'
          5        SEND_VAR                                                 !2
          6        INIT_FCALL                                               'stripos'
          7        SEND_VAR                                                 !2
          8        SEND_VAL                                                 'base64%2C'
          9        DO_ICALL                                         $7      
         10        ADD                                              ~8      $7, 7
         11        SEND_VAL                                                 ~8
         12        DO_ICALL                                         $9      
         13        ASSIGN                                                   !3, $9
   13    14        INIT_FCALL                                               'var_dump'
         15        SEND_VAR                                                 !3
         16        DO_ICALL                                                 
   11    17      > JMP                                                      ->3
         18    >   FE_FREE                                                  $6
   14    19      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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