Description:
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i want to change charset with these code. but there is problem. and i want to record some information to table (in turkish language). but all turkish charset are ??. i dont know why?

Reproduce code:
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if (!$mysqli->set_charset("latin5")) {
   printf("Error loading character set latin5: %s\n", $mysqli->error);
} else {
   printf("Current character set: %s\n", 
$mysqli->character_set_name());


/* Print current character set */
$charset = $mysqli->character_set_name();
printf ("Current character set is %s\n", $charset);


Expected result:
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Current character set: latin5
Current character set  latin5

Actual result:
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Current character set: latin5
Current character set  latin1