/**
* @param OutputInterface $collection
*
* @return string
*/
public function getOutput(OutputInterface $collection)
{
$xmlWriter = new XMLWriter();
$xmlWriter->openMemory();
$xmlWriter->startDocument('1.0', 'UTF-8');
$xmlWriter->setIndent($this->isIndented());
$xmlWriter->setIndentString($this->getIndentString());
$collection->generateXML($xmlWriter);
return trim($xmlWriter->flush(true));
}
/**
* Renders the Sitemap as an XML string.
*
* @param OutputInterface $collection
*
* @return string
*/
public function getOutput(OutputInterface $collection)
{
$xmlWriter = new XMLWriter();
$xmlWriter->openMemory();
$xmlWriter->setIndent($this->isIndented());
$xmlWriter->startDocument('1.0', 'UTF-8');
foreach ($this->processingInstructions as $target => $content) {
$xmlWriter->writePi($target, $content);
}
$xmlWriter->setIndentString($this->getIndentString());
$collection->generateXML($xmlWriter);
return trim($xmlWriter->flush(true));
}
