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<?php $result = "°Freen\x18 ew°\x90ɮ\xc2"; $result = preg_replace('~[\x{0000}-\x{001F}\x{007F}-\x{00a0}]~', '', $result); //reject overly long 2 byte sequences, as well as characters above U+10000 and replace with ? $result= preg_replace( '/[\xC2-\xDF]((?![\x80-\xBF])|[\x80-\xBF]{2,})/S', '', $result ); echo $result;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vrsXn
function name:  (null)
number of ops:  15
compiled vars:  !0 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%C2%B0Freen%18+ew%C2%B0%90%C9%AE%C2'
    5     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%7E%5B%5Cx%7B0000%7D-%5Cx%7B001F%7D%5Cx%7B007F%7D-%5Cx%7B00a0%7D%5D%7E'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ASSIGN                                                   !0, $2
    9     7        INIT_FCALL                                               'preg_replace'
   10     8        SEND_VAL                                                 '%2F%5B%5CxC2-%5CxDF%5D%28%28%3F%21%5B%5Cx80-%5CxBF%5D%29%7C%5B%5Cx80-%5CxBF%5D%7B2%2C%7D%29%2FS'
   11     9        SEND_VAL                                                 ''
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                         $4      
    9    12        ASSIGN                                                   !0, $4
   12    13        ECHO                                                     !0
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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