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<?php mb_regex_encoding('UTF-8'); echo mb_ereg_replace("/[^0-9]+/", "", "тест☼");
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IPiYq
function name:  (null)
number of ops:  10
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'mb_regex_encoding'
          1        SEND_VAL                                                 'UTF-8'
          2        DO_ICALL                                                 
    3     3        INIT_FCALL                                               'mb_ereg_replace'
          4        SEND_VAL                                                 '%2F%5B%5E0-9%5D%2B%2F'
          5        SEND_VAL                                                 ''
          6        SEND_VAL                                                 '%D1%82%D0%B5%D1%81%D1%82%E2%98%BC'
          7        DO_ICALL                                         $1      
          8        ECHO                                                     $1
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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