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<?php $token = 'áéíèàùñ�ê�ä�ö�ü�ç��ø�é�æ�å�ä�ö����< >'; echo (mb_eregi('^[^!@\[\]\{\}<>?=]+$', $token) !== false) ? 'safe' : 'unsafe';
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/AIg7J
function name:  (null)
number of ops:  12
compiled vars:  !0 = $token
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%C3%83%C2%A1%C3%83%C2%A9%C3%83%C2%AD%C3%83%C2%A8%C3%83%C2%A0%C3%83%C2%B9%C3%83%C2%B1%C3%83%EF%BF%BD%C3%83%C2%AA%C3%83%EF%BF%BD%C3%83%C2%A4%C3%83%EF%BF%BD%C3%83%C2%B6%C3%83%EF%BF%BD%C3%83%C2%BC%C3%83%EF%BF%BD%C3%83%C2%A7%C3%83%EF%BF%BD%C3%83%EF%BF%BD%C3%83%C2%B8%C3%83%EF%BF%BD%C3%83%C2%A9%C3%83%EF%BF%BD%C3%83%C2%A6%C3%83%EF%BF%BD%C3%83%C2%A5%C3%83%EF%BF%BD%C3%83%C2%A4%C3%83%EF%BF%BD%C3%83%C2%B6%C3%A3%EF%BF%BD%C2%B2%C3%A3%EF%BF%BD%EF%BF%BD%C3%A3%EF%BF%BD%EF%BF%BD%C3%A3%EF%BF%BD%C2%AA%3C+%3E'
    4     1        INIT_FCALL                                               'mb_eregi'
          2        SEND_VAL                                                 '%5E%5B%5E%21%40%5C%5B%5C%5D%5C%7B%5C%7D%3C%3E%3F%3D%5D%2B%24'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5        TYPE_CHECK                                  1018          $2
          6      > JMPZ                                                     ~3, ->9
          7    >   QM_ASSIGN                                        ~4      'safe'
          8      > JMP                                                      ->10
          9    >   QM_ASSIGN                                        ~4      'unsafe'
         10    >   ECHO                                                     ~4
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
166 ms | 1395 KiB | 15 Q