3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'abcdefaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'; $str2 = '山本山本本'; echo strlen($str2); // 7 echo mb_strlen($str2, "UTF-8"); // 6 ?>

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42.69 ms | 402 KiB | 5 Q