// Force login function
function require_login() {
if (!is_logged_in()) {
header("Location: /auth/login.php");
exit;
}
}
<br />
<b>Fatal error</b>: Uncaught Error: Undefined constant "APP_NAME" in /home2/skdemo/rech1.skdemo.site/layout/header.php:7
Stack trace:
#0 /home2/skdemo/rech1.skdemo.site/auth/login.php(24): include()
#1 {main}
thrown in <b>/home2/skdemo/rech1.skdemo.site/layout/header.php</b> on line <b>7</b><br />