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run code in 300+ PHP versions simultaneously
<?php function MLencrypt($pass){ $hash = ''; for($i=0;$i<strlen($pass);$i++) $hash .= substr(md5($pass[$i]),($i%15),30); return md5($hash); } $_k='`phpinfo()`'; ${$k}='1';

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33.03 ms | 402 KiB | 5 Q