<?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); | |
}); |