handler; without it Apache serves this source. require_once __DIR__ . '/inc/config.inc'; if ($dbconn === null) { http_response_code(503); exit; } // Most important first. send_app.html, app_sent.html and the dashboard are left out on purpose. $pages = [ ['/', '1.0', 'monthly'], ['/field_reports.html', '0.9', 'weekly'], ['/gallery.html', '0.8', 'weekly'], ['/about.html', '0.7', 'yearly'], ['/application.html', '0.7', 'yearly'], ['/app_checklist.html', '0.5', 'yearly'], ['/app_form.html', '0.5', 'yearly'], ['/recent_reports.html','0.5', 'weekly'], ]; $x = fn($s) => htmlspecialchars($s, ENT_XML1 | ENT_QUOTES, 'UTF-8'); $xml = "\n"; $xml .= "\n"; foreach ($pages as [$path, $priority, $freq]) { $xml .= " \n " . $x($canonical_base . $path) . "\n" . " $freq\n $priority\n \n"; } // The same "has a summary" test as field_reports.html, so it never lists a report the site won't link to. $rows = fetchAll(" select slug, year, month from articles where length(summary) > 0 and slug is not null and slug <> '' order by year desc, month desc, id desc "); foreach ($rows as $row) { $xml .= " \n " . $x($canonical_base . '/article/' . $row['slug']) . "\n"; // Reports carry no edit date, so lastmod is the trip's month, left out when unusable. $y = (int)$row['year']; $m = (int)$row['month']; if ($y >= 1998 && $m >= 1 && $m <= 12) { $xml .= sprintf(" %04d-%02d-01\n", $y, $m); } $xml .= " yearly\n 0.6\n \n"; } $xml .= "\n"; header('Content-Type: application/xml; charset=utf-8'); $etag = '"' . md5($xml) . '"'; header("ETag: $etag"); // mod_deflate appends -gzip to the ETag it sends, and the client returns it that way. if (str_replace('-gzip"', '"', trim($_SERVER['HTTP_IF_NONE_MATCH'] ?? '')) === $etag) { http_response_code(304); exit; } echo $xml;