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<?php $raw = 'a>b%%c##1@23测$$试??\\:.##,,??!!'; echo preg_replace('~[^0-9a-zA-Z\p{Han}]+~u', '', $raw);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NUFaX
function name:  (null)
number of ops:  5
compiled vars:  !0 = $raw
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 'a%3Eb%25%25c%23%231%4023%E6%B5%8B%24%24%E8%AF%95%3F%3F%5C%3A.%23%23%2C%2C%EF%BC%9F%EF%BC%9F%EF%BC%81%EF%BC%81'
    4     1        FRAMELESS_ICALL_3                preg_replace        ~2      '%7E%5B%5E0-9a-zA-Z%5Cp%7BHan%7D%5D%2B%7Eu', ''
          2        OP_DATA                                                      !0
          3        ECHO                                                         ~2
          4      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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