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<?php $domains = [ 'danielabruña.com', 'xn--fagualpez-b7a.com', 'laconspiracióndelcastellano.com', ]; foreach ($domains as $domain) { $needs_encoding = mb_detect_encoding($domain, ['ASCII', 'UTF-8'], true) === 'UTF-8'; var_dump($domain, $needs_encoding); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 15
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 15
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
filename:       /in/vmpmZ
function name:  (null)
number of ops:  17
compiled vars:  !0 = $domains, !1 = $domain, !2 = $needs_encoding
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1      > FE_RESET_R                                       $4      !0, ->15
          2    > > FE_FETCH_R                                               $4, !1, ->15
   10     3    >   INIT_FCALL                                               'mb_detect_encoding'
          4        SEND_VAR                                                 !1
          5        SEND_VAL                                                 <array>
          6        SEND_VAL                                                 <true>
          7        DO_ICALL                                         $5      
          8        IS_IDENTICAL                                     ~6      $5, 'UTF-8'
          9        ASSIGN                                                   !2, ~6
   11    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !1
         12        SEND_VAR                                                 !2
         13        DO_ICALL                                                 
    9    14      > JMP                                                      ->2
         15    >   FE_FREE                                                  $4
   12    16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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