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<?php $str = "hello ๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘งโ€๐Ÿ‘ฆ"; echo strlen($str) . "\n"; echo mb_strlen($str) . "\n"; echo iconv_strlen($str) . "\n"; echo grapheme_strlen($str) . "\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GEMuI
function name:  (null)
number of ops:  20
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'hello+%F0%9F%91%A8%E2%80%8D%F0%9F%91%A9%E2%80%8D%F0%9F%91%A7%E2%80%8D%F0%9F%91%A6'
    6     1        STRLEN                                           ~2      !0
          2        CONCAT                                           ~3      ~2, '%0A'
          3        ECHO                                                     ~3
    7     4        INIT_FCALL                                               'mb_strlen'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $4      
          7        CONCAT                                           ~5      $4, '%0A'
          8        ECHO                                                     ~5
    8     9        INIT_FCALL_BY_NAME                                       'iconv_strlen'
         10        SEND_VAR_EX                                              !0
         11        DO_FCALL                                      0  $6      
         12        CONCAT                                           ~7      $6, '%0A'
         13        ECHO                                                     ~7
    9    14        INIT_FCALL_BY_NAME                                       'grapheme_strlen'
         15        SEND_VAR_EX                                              !0
         16        DO_FCALL                                      0  $8      
         17        CONCAT                                           ~9      $8, '%0A'
         18        ECHO                                                     ~9
         19      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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