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<?php $text = 'سسس ککک سسس'; echo preg_replace(['/(.)\1+/u', '/\b(\pL)\s+/u'], '$1', $text);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cj97R
function name:  (null)
number of ops:  8
compiled vars:  !0 = $text
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%D8%B3%D8%B3%D8%B3+%DA%A9%DA%A9%DA%A9+%D8%B3%D8%B3%D8%B3'
    4     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 <array>
          3        SEND_VAL                                                 '%241'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ECHO                                                     $2
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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