3v4l.org

run code in 300+ PHP versions simultaneously
<?php $auth = "\x08"; $hsh = "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"; if ($hsh !== hash("sha256", "aaaabbbb" . strrev($auth))) { echo "aaaabbbb$auth".chr(8); echo "aaaabbbb"; echo "$auth"; $auth = false; } echo $auth; ?>

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