3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = 'ııİöÖğĞçÇşŞ'; $t = mb_detect_encoding($s, ['ASCII', 'UTF-8', 'ISO-8859-1', 'ISO-8859-15']); echo $t."\n"; $e = mb_convert_encoding($s, $t, 'UTF-8'); echo $e."\n";

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31.13 ms | 405 KiB | 5 Q