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<?php $value = 'mercedes-benz'; $pattern = '`&{2}|\|{2}|[-+/!(){}[\]^"~*?:\\\]\K`'; $replace = '\\\\\\'; echo preg_replace($pattern, $replace, $value);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/rct7Z
function name:  (null)
number of ops:  10
compiled vars:  !0 = $value, !1 = $pattern, !2 = $replace
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'mercedes-benz'
    4     1        ASSIGN                                                   !1, '%60%26%7B2%7D%7C%5C%7C%7B2%7D%7C%5B-%2B%2F%21%28%29%7B%7D%5B%5C%5D%5E%22%7E%2A%3F%3A%5C%5C%5D%5CK%60'
    5     2        ASSIGN                                                   !2, '%5C%5C%5C'
    6     3        INIT_FCALL                                               'preg_replace'
          4        SEND_VAR                                                 !1
          5        SEND_VAR                                                 !2
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $6      
          8        ECHO                                                     $6
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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