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<?php $string='دد'; echo preg_replace('#(?:^[^\pL]*)|(?:[^\pL]*$)#u','',$string);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/s1rB4
function name:  (null)
number of ops:  5
compiled vars:  !0 = $string
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                       !0, '%D8%AF%D8%AF'
    3     1        FRAMELESS_ICALL_3                preg_replace        ~2      '%23%28%3F%3A%5E%5B%5E%5CpL%5D%2A%29%7C%28%3F%3A%5B%5E%5CpL%5D%2A%24%29%23u', ''
          2        OP_DATA                                                      !0
          3        ECHO                                                         ~2
          4      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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