isDir()) continue;
$ext = pathinfo($file->getFilename(), PATHINFO_EXTENSION);
if (!in_array(strtolower($ext), $validExtensions)) continue;
$files[] = str_replace($rootDir, "", $file->getPathname());
}
return $files;
}
// -----------------------------
// Dateien scannen
// -----------------------------
$files = scanDirRecursive($rootDir, $rootDir, $validExtensions);
// In Gruppen aufteilen
$sitemapCount = ceil(count($files) / $maxUrls);
$sitemaps = [];
// -----------------------------
// Teil-Sitemaps erzeugen
// -----------------------------
for ($i = 0; $i < $sitemapCount; $i++) {
$chunk = array_slice($files, $i * $maxUrls, $maxUrls);
$xml = '' . PHP_EOL;
$xml .= '' . PHP_EOL;
foreach ($chunk as $filePath) {
$urlPath = str_replace(["index.php","index.html","index.htm"], "", $filePath);
$url = rtrim($baseUrl . $urlPath, "/");
$lastmod = date("Y-m-d", filemtime($rootDir . $filePath));
// Priorität & Changefreq festlegen
if ($url === $baseUrl . "/") {
$priority = "1.0";
$changefreq = "weekly";
} elseif (strpos($urlPath, "/consulting") !== false || strpos($urlPath, "/engineering") !== false) {
$priority = "0.9";
$changefreq = "weekly";
} else {
$priority = $defaultPriority;
$changefreq = $defaultChangefreq;
}
$xml .= " " . PHP_EOL;
$xml .= " " . htmlspecialchars($url, ENT_QUOTES | ENT_XML1) . "" . PHP_EOL;
$xml .= " $lastmod" . PHP_EOL;
$xml .= " $priority" . PHP_EOL;
$xml .= " $changefreq" . PHP_EOL;
$xml .= " " . PHP_EOL;
}
$xml .= '' . PHP_EOL;
$sitemapFile = $rootDir . "/sitemap-" . ($i+1) . ".xml";
file_put_contents($sitemapFile, $xml);
$sitemaps[] = "sitemap-" . ($i+1) . ".xml";
}
// -----------------------------
// Sitemap-Index erzeugen
// -----------------------------
$xmlIndex = '' . PHP_EOL;
$xmlIndex .= '' . PHP_EOL;
foreach ($sitemaps as $sitemap) {
$lastmod = date("Y-m-d");
$xmlIndex .= " " . PHP_EOL;
$xmlIndex .= " $baseUrl/$sitemap" . PHP_EOL;
$xmlIndex .= " $lastmod" . PHP_EOL;
$xmlIndex .= " " . PHP_EOL;
}
$xmlIndex .= '' . PHP_EOL;
// Index-Datei speichern
file_put_contents($rootDir . "/sitemap-index.xml", $xmlIndex);
// -----------------------------
// Google & Bing Pings
// -----------------------------
$sitemapIndexUrl = $baseUrl . "/sitemap-index.xml";
$pingUrls = [
"https://www.google.com/ping?sitemap=" . urlencode($sitemapIndexUrl),
"https://www.bing.com/ping?sitemap=" . urlencode($sitemapIndexUrl)
];
foreach ($pingUrls as $ping) {
@file_get_contents($ping); // Fehler werden unterdrückt
}
// -----------------------------
// Ausgabe (optional für CLI-Test)
// -----------------------------
echo "Sitemap erfolgreich generiert.\n";
foreach ($sitemaps as $sitemap) {
echo "- $sitemap\n";
}
echo "- sitemap-index.xml\n";
echo "Google & Bing wurden gepingt.\n";