/**
* Comparing the issue with the list of current existing issues
*
* @param array $crawl_issues
* @param stdClass $issue
*/
private function issue_compare(&$crawl_issues, $issue)
{
$issue->pageUrl = WPSEO_Utils::format_url((string) $issue->pageUrl);
if (!in_array($issue->pageUrl, $this->current_issues)) {
array_push($crawl_issues, $this->get_issue($this->create_issue($issue)));
}
}