How can one troubleshoot and resolve a security alert related to cookie name and key in PHP?

To troubleshoot and resolve a security alert related to cookie name and key in PHP, you should ensure that the cookie name and key are properly sanitized to prevent any potential security risks, such as cross-site scripting attacks. You can achieve this by using PHP's filter_input function with FILTER_SANITIZE_STRING filter for both the cookie name and key.

$cookie_name = filter_input(INPUT_COOKIE, 'cookie_name', FILTER_SANITIZE_STRING);
$cookie_key = filter_input(INPUT_COOKIE, 'cookie_key', FILTER_SANITIZE_STRING);