/**
* Start-function with recursion
* Creates new instances depending on recursion depth
* Prints all obtained emails
* @return mails
*/
public function start()
{
$this->content = $this->getContent();
$this->urls = $this->getURLArray();
$mails = $this->getEmailArray();
$this->printResult($mails);
if ($this->rlevel < $this->rmax) {
foreach ($this->urls as $url) {
$temp = new Crawl($url, $this->rlevel + 1, $this->rmax);
$temp->start();
}
}
}
