PHP one-liner PHP
A PHP snippet for PHP one-liner that answers requests for /pixel.gif with the empty GIF, decoded once at startup.
PHP one-liner PHP
php -r 'file_put_contents("pixel.gif", base64_decode("R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=="));'
We ran this snippet and compared the bytes it returned.