/**
* @return array:
*/
public function findAllQuestionIds()
{
$allLinks = array();
$maxScrapes = $this->maxScrapes;
do {
$this->webpage->setUrlToNextPage();
$links = $this->scrapeCurrentUrlForQuestionIds();
$allLinks = array_merge($allLinks, $links);
} while (--$maxScrapes !== 0 && !empty($links));
return array_unique($allLinks);
}
