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<?php $string = 'İyi akşamlar'; $upper = mb_strtoupper($string); $lowerChars = mb_strtolower(mb_substr($string, 0, 3)); var_dump($string, $upper, $lowerChars); var_dump(grapheme_stripos($upper, $lowerChars));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0431j
function name:  (null)
number of ops:  27
compiled vars:  !0 = $string, !1 = $upper, !2 = $lowerChars
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, '%C4%B0yi+ak%C5%9Famlar'
    4     1        INIT_FCALL                                                   'mb_strtoupper'
          2        SEND_VAR                                                     !0
          3        DO_ICALL                                             $4      
          4        ASSIGN                                                       !1, $4
    5     5        INIT_FCALL                                                   'mb_strtolower'
          6        INIT_FCALL                                                   'mb_substr'
          7        SEND_VAR                                                     !0
          8        SEND_VAL                                                     0
          9        SEND_VAL                                                     3
         10        DO_ICALL                                             $6      
         11        SEND_VAR                                                     $6
         12        DO_ICALL                                             $7      
         13        ASSIGN                                                       !2, $7
    7    14        INIT_FCALL                                                   'var_dump'
         15        SEND_VAR                                                     !0
         16        SEND_VAR                                                     !1
         17        SEND_VAR                                                     !2
         18        DO_ICALL                                                     
    8    19        INIT_FCALL                                                   'var_dump'
         20        INIT_FCALL_BY_NAME                                           'grapheme_stripos'
         21        SEND_VAR_EX                                                  !1
         22        SEND_VAR_EX                                                  !2
         23        DO_FCALL                                          0  $10     
         24        SEND_VAR                                                     $10
         25        DO_ICALL                                                     
         26      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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