$api = new Api('https://de.wikipedia.org');
$page = $api->getPage('Geschichte der Kölner Straßenbahn');
$content = $page->getContent();
$url = $page->getUrl();

Get image user and page url:

$api = new Api('https://de.wikipedia.org');
$image = $api->getImage('File:KVB4076_Severinsbruecke.jpg');
$pageUrl = $image->getPageUrl();
$user = $image->getImageUser();

Get image URL in a certain size:

$api = new Api('https://de.wikipedia.org');
$image = $api->getImage('File:KVB4076_Severinsbruecke.jpg');
$url = $image->getImageUrl(1920);

If the original image is smaller than the requested size, the URL of the original is returned.