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<?php echo mb_strtoupper("ı ğ"); echo "\n"; echo strtoupper("ı ğ"); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iQTRo
function name:  (null)
number of ops:  10
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'mb_strtoupper'
          1        SEND_VAL                                                 '%C4%B1+%C4%9F'
          2        DO_ICALL                                         $0      
          3        ECHO                                                     $0
    4     4        ECHO                                                     '%0A'
    5     5        INIT_FCALL                                               'strtoupper'
          6        SEND_VAL                                                 '%C4%B1+%C4%9F'
          7        DO_ICALL                                         $1      
          8        ECHO                                                     $1
    6     9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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