3v4l.org

run code in 300+ PHP versions simultaneously
<?php $un = "jarrod"; $uid = "1"; $key = uniqid("$uid_"); $ip = "124.168.106.184"; $time = time(); $hash = md5("$uid$ip$time"); print "$key\n"; print "$hash";

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34.04 ms | 402 KiB | 5 Q