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<?php $email = 'johnsnow@ヒキワリ.ナットウ.travel'; $email = str_replace('@-', '@', idn_to_ascii($email)); echo $email . "\n"; if (filter_var($email, FILTER_VALIDATE_EMAIL)) { echo 'valid'; } else { echo 'not valid'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8J3fN
function name:  (null)
number of ops:  21
compiled vars:  !0 = $email
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'johnsnow%40%E3%83%92%E3%82%AD%E3%83%AF%E3%83%AA.%E3%83%8A%E3%83%83%E3%83%88%E3%82%A6.travel'
    4     1        INIT_FCALL                                               'str_replace'
          2        SEND_VAL                                                 '%40-'
          3        SEND_VAL                                                 '%40'
          4        INIT_FCALL_BY_NAME                                       'idn_to_ascii'
          5        SEND_VAR_EX                                              !0
          6        DO_FCALL                                      0  $2      
          7        SEND_VAR                                                 $2
          8        DO_ICALL                                         $3      
          9        ASSIGN                                                   !0, $3
    6    10        CONCAT                                           ~5      !0, '%0A'
         11        ECHO                                                     ~5
    8    12        INIT_FCALL                                               'filter_var'
         13        SEND_VAR                                                 !0
         14        SEND_VAL                                                 274
         15        DO_ICALL                                         $6      
         16      > JMPZ                                                     $6, ->19
    9    17    >   ECHO                                                     'valid'
         18      > JMP                                                      ->20
   11    19    >   ECHO                                                     'not+valid'
   12    20    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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