3v4l.org

run code in 500+ PHP versions simultaneously
<?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:  6
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        FRAMELESS_ICALL_3                preg_replace        ~2      '%2F%3C%21END%21%3E%28%2ASKIP%29%28FAIL%29%7C%5B%5EA-Za-z0-9+%5D%2F', ''
          2        OP_DATA                                                      !0
          3        ASSIGN                                                       !0, ~2
    5     4        ECHO                                                         !0
    6     5      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
165 ms | 2596 KiB | 13 Q