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<?php $string = ' 55 штю'; $pattern = '/([0-9]+)(\s?шт\.?)/i'; $replacement = '$1 шт'; echo preg_replace($pattern, $replacement, $string);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/AO1AT
function name:  (null)
number of ops:  10
compiled vars:  !0 = $string, !1 = $pattern, !2 = $replacement
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '+55+%D1%88%D1%82%D1%8E'
    3     1        ASSIGN                                                   !1, '%2F%28%5B0-9%5D%2B%29%28%5Cs%3F%D1%88%D1%82%5C.%3F%29%2Fi'
    4     2        ASSIGN                                                   !2, '%241+%D1%88%D1%82'
    5     3        INIT_FCALL                                               'preg_replace'
          4        SEND_VAR                                                 !1
          5        SEND_VAR                                                 !2
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $6      
          8        ECHO                                                     $6
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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