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

Generated using Vulcan Logic Dumper, using php 8.0.0


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