<?php echo 'Before' . "\n" ; $str=mb_strtolower('İstanbul'); for ($i = 0; $i < strlen($str); $i++) echo $str[$i] . " => " . ord($str[$i]) . "\n"; echo "\n" . 'After' . "\n" ; $str=mb_convert_case('İstanbul', MB_CASE_LOWER_SIMPLE) ; for ($i = 0; $i < strlen($str); $i++) echo $str[$i] . " => " . ord($str[$i]) . "\n";
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