| <?php | |
| $max_age = 12 * 31 * 24 * 60 * 60; //one year | |
| header('Cache-Control: public, max-age=' . $max_age); | |
| header('Content-Type: text/javascript'); | |
| $randomId = ''; | |
| $charset = 'ABCDEFGHIKLMNOPQRSTUVWXYZ0123456789'; | |
| for ($i = 0; $i < 16; $i++) | |
| $randomId .= $charset[rand(0, strlen($charset) - 1)]; | |
| echo 'let randomId = "' . $randomId . '";'; | |
| ?> | |
| self.addEventListener("message", function(e) { | |
| e.source.postMessage(randomId); | |
| }); |