php万能暗号化

function fue($hash,$times) {
	// Execute the encryption(s) as many times as the user wants
	for($i=$times;$i>0;$i--) {
		// Encode with base64...
		$hash=base64_encode($hash);
		// and md5...
		$hash=md5($hash);
		// sha1...
		$hash=sha1($hash);
		// sha256... (one more)
		$hash=hash("sha256", $hash);
		// sha512
		$hash=hash("sha512", $hash);

	}
	// Finaly, when done, return the value
	return $hash;
}