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run code in 300+ PHP versions simultaneously
<?php class štring { static function kek($str): Generator { for ($i = 0, $len = mb_strlen($str); $i < $len; ++$i) { yield mb_substr($str, $i, 1); } } } foreach (štring::kek("meh") as $char) { var_dump($char); } var_dump(štring::kek("meh"));

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57.55 ms | 402 KiB | 5 Q