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<?php ini_set("intl.use_exceptions", true); var_dump(idn_to_ascii( "aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa", IDNA_USE_STD3_RULES | IDNA_NONTRANSITIONAL_TO_ASCII | IDNA_CHECK_CONTEXTJ, INTL_IDNA_VARIANT_UTS46, $info )); var_dump($info); $errors = [ "IDNA_ERROR_EMPTY_LABEL", "IDNA_ERROR_LABEL_TOO_LONG", "IDNA_ERROR_DOMAIN_NAME_TOO_LONG", "IDNA_ERROR_LEADING_HYPHEN", "IDNA_ERROR_TRAILING_HYPHEN", "IDNA_ERROR_HYPHEN_3_4", "IDNA_ERROR_LEADING_COMBINING_MARK", "IDNA_ERROR_DISALLOWED", "IDNA_ERROR_PUNYCODE", "IDNA_ERROR_LABEL_HAS_DOT", "IDNA_ERROR_INVALID_ACE_LABEL", "IDNA_ERROR_BIDI", "IDNA_ERROR_CONTEXTJ" ]; foreach($errors as $errorReadable){ $error = constant($errorReadable); if($info['errors'] & $error){ echo $errorReadable . "\n"; } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 24, Position 2 = 35
Branch analysis from position: 24
2 jumps found. (Code = 78) Position 1 = 25, Position 2 = 35
Branch analysis from position: 25
2 jumps found. (Code = 43) Position 1 = 32, Position 2 = 34
Branch analysis from position: 32
1 jumps found. (Code = 42) Position 1 = 24
Branch analysis from position: 24
Branch analysis from position: 34
Branch analysis from position: 35
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 35
filename:       /in/7HE6q
function name:  (null)
number of ops:  37
compiled vars:  !0 = $info, !1 = $errors, !2 = $errorReadable, !3 = $error
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'ini_set'
          1        SEND_VAL                                                 'intl.use_exceptions'
          2        SEND_VAL                                                 <true>
          3        DO_ICALL                                                 
    6     4        INIT_FCALL                                               'var_dump'
          5        INIT_FCALL_BY_NAME                                       'idn_to_ascii'
    7     6        SEND_VAL_EX                                              'aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa.aaaaaaaaaa'
    8     7        FETCH_CONSTANT                                   ~5      'IDNA_USE_STD3_RULES'
          8        FETCH_CONSTANT                                   ~6      'IDNA_NONTRANSITIONAL_TO_ASCII'
          9        BW_OR                                            ~7      ~5, ~6
         10        FETCH_CONSTANT                                   ~8      'IDNA_CHECK_CONTEXTJ'
         11        BW_OR                                            ~9      ~7, ~8
         12        SEND_VAL_EX                                              ~9
    9    13        FETCH_CONSTANT                                   ~10     'INTL_IDNA_VARIANT_UTS46'
         14        SEND_VAL_EX                                              ~10
    7    15        SEND_VAR_EX                                              !0
         16        DO_FCALL                                      0  $11     
         17        SEND_VAR                                                 $11
         18        DO_ICALL                                                 
   13    19        INIT_FCALL                                               'var_dump'
         20        SEND_VAR                                                 !0
         21        DO_ICALL                                                 
   15    22        ASSIGN                                                   !1, <array>
   32    23      > FE_RESET_R                                       $15     !1, ->35
         24    > > FE_FETCH_R                                               $15, !2, ->35
   33    25    >   INIT_FCALL                                               'constant'
         26        SEND_VAR                                                 !2
         27        DO_ICALL                                         $16     
         28        ASSIGN                                                   !3, $16
   34    29        FETCH_DIM_R                                      ~18     !0, 'errors'
         30        BW_AND                                           ~19     !3, ~18
         31      > JMPZ                                                     ~19, ->34
   35    32    >   CONCAT                                           ~20     !2, '%0A'
         33        ECHO                                                     ~20
   32    34    > > JMP                                                      ->24
         35    >   FE_FREE                                                  $15
   37    36      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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