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<?php $string = "Hello, there! Welcome to <>?@#$!& our site<!END!>"; $string = preg_replace("/<!END!>(*SKIP)(FAIL)|[^A-Za-z0-9 ]/", "", $string); echo $string;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1MmU3
function name:  (null)
number of ops:  9
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'Hello%2C+there%21+Welcome+to+%3C%3E%3F%40%23%24%21%26+our+site%3C%21END%21%3E'
    4     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%3C%21END%21%3E%28%2ASKIP%29%28FAIL%29%7C%5B%5EA-Za-z0-9+%5D%2F'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ASSIGN                                                   !0, $2
    5     7        ECHO                                                     !0
    6     8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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