header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: private", false);
header("Content-type: font/opentype");
header("Content-Length: " . 64512);
header("Content-Transfer-Encoding: binary");
ob_clean();
flush();
readfile('data:font/opentype;base64,' . base64_decode($font_source));