in PHP5(!) based on code written by Damien Miller <firstname.lastname@example.org> This class BREAKS COMPABILITY with earlier PHP 4 versions of the RC4 class. PHP 4 versions are available at http://pear.php.net/package/Crypt_RC42, download version 1.x
Note: The encrypted output of this function isa binary string, and therefore cannot be properly displayed in shell or a browser. If you would like to display, please use the base64_encode function before before output.