3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "noël"; echo $str, "\n"; echo implode(array_reverse(grapheme_str_split($str))),"\n"; echo grapheme_substr($str, 0,3),"\n"; echo grapheme_strlen($str),"\n";

preferences:
30.3 ms | 405 KiB | 5 Q