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<?php $str = '🏴󠁧󠁢󠁥󠁮󠁧󠁿'; $res = [ 'strlen' => strlen($str), 'mb_strlen' => mb_strlen($str), 'grapheme_strlen' => grapheme_strlen($str), ]; echo json_encode($res, JSON_PRETTY_PRINT); /* { "strlen": 28, "mb_strlen": 7, "grapheme_strlen": 1 } */
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Cduj5
function name:  (null)
number of ops:  18
compiled vars:  !0 = $str, !1 = $res
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, '%F0%9F%8F%B4%F3%A0%81%A7%F3%A0%81%A2%F3%A0%81%A5%F3%A0%81%AE%F3%A0%81%A7%F3%A0%81%BF'
    5     1        STRLEN                                               ~3      !0
          2        INIT_ARRAY                                           ~4      ~3, 'strlen'
    6     3        INIT_FCALL                                                   'mb_strlen'
          4        SEND_VAR                                                     !0
          5        DO_ICALL                                             $5      
          6        ADD_ARRAY_ELEMENT                                    ~4      $5, 'mb_strlen'
    7     7        INIT_FCALL_BY_NAME                                           'grapheme_strlen'
          8        SEND_VAR_EX                                                  !0
          9        DO_FCALL                                          0  $6      
         10        ADD_ARRAY_ELEMENT                                    ~4      $6, 'grapheme_strlen'
    4    11        ASSIGN                                                       !1, ~4
    9    12        INIT_FCALL                                                   'json_encode'
         13        SEND_VAR                                                     !1
         14        SEND_VAL                                                     128
         15        DO_ICALL                                             $8      
         16        ECHO                                                         $8
   16    17      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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