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<?php $mouss = ['/\d+/u', '/[а-яА-ЯёЁ]+/u']; $moui = ['<XXX>','<буквы>']; $s = "22 декабря"; print_r(preg_replace($mouss, $moui, $s));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/N6apU
function name:  (null)
number of ops:  12
compiled vars:  !0 = $mouss, !1 = $moui, !2 = $s
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, <array>
    5     2        ASSIGN                                                   !2, '22+%D0%B4%D0%B5%D0%BA%D0%B0%D0%B1%D1%80%D1%8F'
    6     3        INIT_FCALL                                               'print_r'
          4        INIT_FCALL                                               'preg_replace'
          5        SEND_VAR                                                 !0
          6        SEND_VAR                                                 !1
          7        SEND_VAR                                                 !2
          8        DO_ICALL                                         $6      
          9        SEND_VAR                                                 $6
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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