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<?php $string = 'привет меня зовут <b>Файл</b> а кто ты.'; echo preg_replace('/<b>(.*?)<\/b>/i', '<b>Мой файл</b>', $string);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vIDYu
function name:  (null)
number of ops:  8
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%D0%BF%D1%80%D0%B8%D0%B2%D0%B5%D1%82+%D0%BC%D0%B5%D0%BD%D1%8F+%D0%B7%D0%BE%D0%B2%D1%83%D1%82+%3Cb%3E%D0%A4%D0%B0%D0%B9%D0%BB%3C%2Fb%3E+%D0%B0+%D0%BA%D1%82%D0%BE+%D1%82%D1%8B.'
    3     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%3Cb%3E%28.%2A%3F%29%3C%5C%2Fb%3E%2Fi'
          3        SEND_VAL                                                 '%3Cb%3E%D0%9C%D0%BE%D0%B9+%D1%84%D0%B0%D0%B9%D0%BB%3C%2Fb%3E'
          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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