public function render($maxUrls = NULL, $maxMegabytes = NULL, $compression = NULL)
{
if ($maxUrls && !count($this) > $maxUrls) {
throw new OutOfBoundsException('Sitemap has more than ' . $maxUrls . ' URLs and needs to be spitted');
}
$tree = new XML_Node('urlset');
$tree->setAttribute('xmlns', 'http://www.sitemaps.org/schemas/sitemap/0.9');
foreach ($this->urls as $url) {
$node = new XML_Node('url');
$node->addChild(new XML_Node('loc', $url->getLocation()));
if ($datetime = $url->getDatetime()) {
$node->addChild(new XML_Node('lastmod', $datetime));
}
$tree->addChild($node);
}
$builder = new XML_Builder();
$xml = $builder->build($tree);
if ($compression) {
if (!in_array($compression, $this->compressions)) {
throw new OutOfRangeException('Available compression types are ' . join(", ", $this->compressions));
}
switch ($compression) {
case 'bz':
$xml = bzcompress($xml);
break;
case 'gz':
$xml = gzencode($xml);
break;
}
}
if ($maxMegabytes && strlen($xml) > $maxMegabytes * 1024 * 1024) {
throw new OutOfBoundsException('Rendered sitemap is to large (max: ' . $maxMegabytes . ' MB)');
}
return $xml;
}
public function render()
{
$tree = new XML_Node('sitemapindex');
$tree->setAttribute('xmlns', 'http://www.sitemaps.org/schemas/sitemap/0.9');
foreach ($this->sitemaps as $sitemap) {
$node = new XML_Node('sitemap');
$node->addChild(new XML_Node('loc', $sitemap->getUrl()));
if ($sitemap->getDatetime()) {
$node->addChild(new XML_Node('lastmod', $sitemap->getDatetime()));
}
$tree->addChild($node);
}
$builder = new XML_Builder();
return $builder->build($tree);
}
/**
* Writes XML Tree to XML File recursive.
* @access protected
* @param DOMElement $document DOM Document
* @param DOMElement $root DOM Element
* @param XML_Node $tree Parent XML Node
* @param string $encoding Encoding Character Set (utf-8 etc.)
* @return void
*/
protected function buildRecursive(DOMDocument $document, DOMElement $root, XML_Node $tree, $encoding)
{
foreach ($tree->getAttributes() as $key => $value) {
$root->setAttribute($key, $value);
}
if ($tree->hasChildren()) {
$children =& $tree->getChildren();
foreach ($children as $child) {
$element = $document->createElement($child->getNodename());
self::buildRecursive($document, $element, $child, $encoding);
$element = $root->appendChild($element);
}
} else {
if ($tree->hasContent()) {
$text = (string) $tree->getContent();
$text = $document->createTextNode($text);
$text = $root->appendChild($text);
}
}
}
