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<?php echo filter_var(urldecode('../../passwd'), FILTER_SANITIZE_STRING);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CqaKD
function name:  (null)
number of ops:  10
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'filter_var'
          1        INIT_FCALL                                                   'urldecode'
          2        SEND_VAL                                                     '..%2F..%2Fpasswd'
          3        DO_ICALL                                             $0      
          4        SEND_VAR                                                     $0
          5        FETCH_CONSTANT                                       ~1      'FILTER_SANITIZE_STRING'
          6        SEND_VAL                                                     ~1
          7        DO_ICALL                                             $2      
          8        ECHO                                                         $2
          9      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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