3v4l.org

run code in 300+ PHP versions simultaneously
<?php $msg = 'say hi!'; $key = 'whatever_123'; // print, and make unprintable chars available for a link or alike. // using $_GET, php will urldecode it, if it was passed urlencoded print "obfuscated, ready for url: " . urlencode(obfuscate($msg, $key)) . "\n"; print "deObfuscated: " . obfuscate(obfuscate($msg, $key), $key); function obfuscate($msg, $key) { if (empty($key)) return $msg; return $msg ^ str_pad('', strlen($msg), $key); } ?>

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32.92 ms | 402 KiB | 5 Q