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<?php $str = "up vote -1 down vote favorite What is the best way to filter characters like this: ็็็็็็็็็็็็็็็็็็ ็็็็็็็"; echo preg_replace('/[\x00-\x1F\x80-\xFF]/', '', $str);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EY06F
function name:  (null)
number of ops:  8
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'up+vote%0A-1%0Adown+vote%0Afavorite%0AWhat+is+the+best+way+to+filter+characters+like+this%3A%0A%0A%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87+%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87%E0%B9%87'
    9     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%5B%5Cx00-%5Cx1F%5Cx80-%5CxFF%5D%2F'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ECHO                                                     $2
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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