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<?php $numbers = '0123456789'; $persian = '۱۲۳۴۵۶۷۸۹'; printf("Non-Unicode, ASCII numbers: %d\n", preg_match('/\d+/', $numbers)); printf("Non-Unicode, Persian numbers: %d\n", preg_match('/\d+/', $persian)); printf(" Unicode, ASCII numbers: %d\n", preg_match('/\d+/u', $numbers)); printf(" Unicode, Persian numbers: %d\n", preg_match('/\d+/u', $persian));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/FQ1vo
function name:  (null)
number of ops:  35
compiled vars:  !0 = $numbers, !1 = $persian
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '0123456789'
    4     1        ASSIGN                                                   !1, '%DB%B1%DB%B2%DB%B3%DB%B4%DB%B5%DB%B6%DB%B7%DB%B8%DB%B9'
    6     2        INIT_FCALL                                               'printf'
          3        SEND_VAL                                                 'Non-Unicode%2C+ASCII+numbers%3A+++%25d%0A'
          4        INIT_FCALL                                               'preg_match'
          5        SEND_VAL                                                 '%2F%5Cd%2B%2F'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $4      
          8        SEND_VAR                                                 $4
          9        DO_ICALL                                                 
    7    10        INIT_FCALL                                               'printf'
         11        SEND_VAL                                                 'Non-Unicode%2C+Persian+numbers%3A+%25d%0A'
         12        INIT_FCALL                                               'preg_match'
         13        SEND_VAL                                                 '%2F%5Cd%2B%2F'
         14        SEND_VAR                                                 !1
         15        DO_ICALL                                         $6      
         16        SEND_VAR                                                 $6
         17        DO_ICALL                                                 
    8    18        INIT_FCALL                                               'printf'
         19        SEND_VAL                                                 '++++Unicode%2C+ASCII+numbers%3A+++%25d%0A'
         20        INIT_FCALL                                               'preg_match'
         21        SEND_VAL                                                 '%2F%5Cd%2B%2Fu'
         22        SEND_VAR                                                 !0
         23        DO_ICALL                                         $8      
         24        SEND_VAR                                                 $8
         25        DO_ICALL                                                 
    9    26        INIT_FCALL                                               'printf'
         27        SEND_VAL                                                 '++++Unicode%2C+Persian+numbers%3A+%25d%0A'
         28        INIT_FCALL                                               'preg_match'
         29        SEND_VAL                                                 '%2F%5Cd%2B%2Fu'
         30        SEND_VAR                                                 !1
         31        DO_ICALL                                         $10     
         32        SEND_VAR                                                 $10
         33        DO_ICALL                                                 
         34      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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