public function testGetImage()
{
$flickr = new Flickr(6122735488);
$this->assertEquals('https://farm7.staticflickr.com/6202/6122735488_cb711a2d3f_o.jpg', $flickr->getImage(), 'Falsch/Keine Url erhalten');
}
<?php
include '../include/config.php';
include '../flickr.php';
$id = $_POST['id'];
if ($id == null || $id == 0) {
$id = '6122735488';
}
$flickr = new Flickr($id);
$result = null;
$result['url'] = $flickr->getImage();
$result['author'] = $flickr->getAuthor();
echo json_encode($result);