query("SELECT slug, updated_at FROM projects ORDER BY updated_at DESC")->fetchAll(); $chapters = db()->query("SELECT c.id, c.slug, c.updated_at, p.slug AS project_slug FROM chapters c JOIN projects p ON p.id = c.project_id WHERE c.is_published = 1 ORDER BY c.updated_at DESC")->fetchAll(); function sitemapDate(?string $s): string { $ts = $s ? strtotime($s) : time(); return date('Y-m-d', $ts ?: time()); } echo '' . "\n"; ?> / daily 1.0 /projects weekly 0.7 /oneshots weekly 0.6 /project?slug= weekly 0.8 // monthly 0.6