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<?php // n-dashes are encoded as byte sequence \xe2\x80\x93 in UTF-8 $str = 'foo–bar–baz'; // take substring of 4 bytes length starting with the 4th byte var_dump(mb_strcut($str, 4, 4, 'UTF-8')); // take substring of 4 code points length starting with the 4th code point var_dump(mb_substr($str, 4, 4, 'UTF-8'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1pUss
function name:  (null)
number of ops:  20
compiled vars:  !0 = $str
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   4     0  E >   QM_ASSIGN                                                !0
   6     1        INIT_FCALL                                               'var_dump'
         2        INIT_FCALL                                               'mb_strcut'
         3        SEND_VAR                                                 !0
         4        SEND_VAL                                                 4
         5        SEND_VAL                                                 4
         6        SEND_VAL                                                 'UTF-8'
         7        DO_ICALL                                         $2      
         8        SEND_VAR                                                 $2
         9        DO_ICALL                                                 
   8    10        INIT_FCALL                                               'var_dump'
        11        INIT_FCALL                                               'mb_substr'
        12        SEND_VAR                                                 !0
        13        SEND_VAL                                                 4
        14        SEND_VAL                                                 4
        15        SEND_VAL                                                 'UTF-8'
        16        DO_ICALL                                         $4      
        17        SEND_VAR                                                 $4
        18        DO_ICALL                                                 
        19      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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