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<?php mb_internal_encoding("UTF-8"); setlocale(LC_ALL, "tr-TR"); echo mb_strtoupper("i i ı ğ Ğ Τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός"); echo "\n"; echo mb_strtoupper("i i ı ğ Ğ Τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός"); echo "\n"; echo "İ " . mb_strtolower("İ") . " " . mb_strtoupper(mb_strtolower("İ")); echo "\n"; echo strtoupper("i ı ğ Ğ Τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός"); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vEIGa
function name:  (null)
number of ops:  36
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   INIT_FCALL                                               'mb_internal_encoding'
         1        SEND_VAL                                                 'UTF-8'
         2        DO_ICALL                                                 
   3     3        INIT_FCALL                                               'setlocale'
         4        SEND_VAL                                                 6
         5        SEND_VAL                                                 'tr-TR'
         6        DO_ICALL                                                 
   4     7        INIT_FCALL                                               'mb_strtoupper'
         8        SEND_VAL                                                 'i+i+%C4%B1+%C4%9F+%C4%9E+%CE%A4%CE%AC%CF%87%CE%B9%CF%83%CF%84%CE%B7+%CE%B1%CE%BB%CF%8E%CF%80%CE%B7%CE%BE+%CE%B2%CE%B1%CF%86%CE%AE%CF%82+%CF%88%CE%B7%CE%BC%CE%AD%CE%BD%CE%B7+%CE%B3%CE%B7%2C+%CE%B4%CF%81%CE%B1%CF%83%CE%BA%CE%B5%CE%BB%CE%AF%CE%B6%CE%B5%CE%B9+%CF%85%CF%80%CE%AD%CF%81+%CE%BD%CF%89%CE%B8%CF%81%CE%BF%CF%8D+%CE%BA%CF%85%CE%BD%CF%8C%CF%82'
         9        DO_ICALL                                         $2      
        10        ASSIGN_OBJ                                               $2
   5    11        ASSIGN_OBJ                                               '%0A'
   6    12        INIT_FCALL                                               'mb_strtoupper'
        13        SEND_VAL                                                 'i+i+%C4%B1+%C4%9F+%C4%9E+%CE%A4%CE%AC%CF%87%CE%B9%CF%83%CF%84%CE%B7+%CE%B1%CE%BB%CF%8E%CF%80%CE%B7%CE%BE+%CE%B2%CE%B1%CF%86%CE%AE%CF%82+%CF%88%CE%B7%CE%BC%CE%AD%CE%BD%CE%B7+%CE%B3%CE%B7%2C+%CE%B4%CF%81%CE%B1%CF%83%CE%BA%CE%B5%CE%BB%CE%AF%CE%B6%CE%B5%CE%B9+%CF%85%CF%80%CE%AD%CF%81+%CE%BD%CF%89%CE%B8%CF%81%CE%BF%CF%8D+%CE%BA%CF%85%CE%BD%CF%8C%CF%82'
        14        DO_ICALL                                         $3      
        15        ASSIGN_OBJ                                               $3
   7    16        ASSIGN_OBJ                                               '%0A'
   8    17        INIT_FCALL                                               'mb_strtolower'
        18        SEND_VAL                                                 '%C4%B0'
        19        DO_ICALL                                         $4      
        20        CONCAT                                           ~5      '%C4%B0+', $4
        21        CONCAT                                           ~6      ~5, '+'
        22        INIT_FCALL                                               'mb_strtoupper'
        23        INIT_FCALL                                               'mb_strtolower'
        24        SEND_VAL                                                 '%C4%B0'
        25        DO_ICALL                                         $7      
        26        SEND_VAR                                                 $7
        27        DO_ICALL                                         $8      
        28        CONCAT                                           ~9      ~6, $8
        29        ASSIGN_OBJ                                               ~9
   9    30        ASSIGN_OBJ                                               '%0A'
  10    31        INIT_FCALL                                               'strtoupper'
        32        SEND_VAL                                                 'i+%C4%B1+%C4%9F+%C4%9E+%CE%A4%CE%AC%CF%87%CE%B9%CF%83%CF%84%CE%B7+%CE%B1%CE%BB%CF%8E%CF%80%CE%B7%CE%BE+%CE%B2%CE%B1%CF%86%CE%AE%CF%82+%CF%88%CE%B7%CE%BC%CE%AD%CE%BD%CE%B7+%CE%B3%CE%B7%2C+%CE%B4%CF%81%CE%B1%CF%83%CE%BA%CE%B5%CE%BB%CE%AF%CE%B6%CE%B5%CE%B9+%CF%85%CF%80%CE%AD%CF%81+%CE%BD%CF%89%CE%B8%CF%81%CE%BF%CF%8D+%CE%BA%CF%85%CE%BD%CF%8C%CF%82'
        33        DO_ICALL                                         $10     
        34        ASSIGN_OBJ                                               $10
  11    35      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.4.0