function inspect($source) {
		$fw=Base::instance();
		$web=Web::instance();
		$parts=parse_url($source);
		if (empty($parts['scheme']) || empty($parts['host']) ||
			$parts['host']==$fw->get('HOST')) {
			$req=$web->request($source);
			$doc=new DOMDocument('1.0',$fw->get('ENCODING'));
			$doc->stricterrorchecking=FALSE;
			$doc->recover=TRUE;
			if ($req && @$doc->loadhtml($req['body'])) {
				// Parse anchor tags
				$links=$doc->getelementsbytagname('a');
				foreach ($links as $link) {
					$permalink=$link->getattribute('href');
					// Find pingback-enabled resources
					if ($permalink && $found=$this->enabled($permalink)) {
						$req=$web->request($found,
							array(
								'method'=>'POST',
								'header'=>'Content-Type: application/xml',
								'content'=>xmlrpc_encode_request(
									'pingback.ping',
									array($source,$permalink),
									array('encoding'=>$fw->get('ENCODING'))
								)
							)
						);
						if ($req && $req['body'])
							$this->log.=date('r').' '.
								$permalink.' [permalink:'.$found.']'.PHP_EOL.
								$req['body'].PHP_EOL;
					}
				}
			}
			unset($doc);
		}
	}