array( 'name'=>'Max number of photos', 'type'=>'number' ), 'w'=>array( 'name'=>'Width', 'exampleValue'=>'1920, 1680, …' ), 'q'=>array( 'name'=>'JPEG quality', 'type'=>'number' ) )); public function collectData(){ $param=$this->parameters[$this->queriedContext]; $html = ''; $baseUri = 'http://unsplash.com'; $width = $param['w']['value'] ?: '1920'; // Default width $num = 0; $max = $param['m']['value'] ?: 20; $quality = $param['q']['value'] ?: 75; $lastpage = 1; for ($page = 1; $page <= $lastpage; $page++) { $link = $baseUri.'/grid?page='.$page; $html = $this->getSimpleHTMLDOM($link) or $this->returnServerError('No results for this query.'); if ($page === 1) { preg_match('/=(\d+)$/', $html->find('.pagination > a[!class]', -1)->href, $matches); $lastpage = min($matches[1], ceil($max/40)); } foreach($html->find('.photo') as $element) { $thumbnail = $element->find('img', 0); $thumbnail->src = str_replace('https://', 'http://', $thumbnail->src); $item = array(); $item['uri'] = str_replace(array('q=75', 'w=400'), array("q=$quality", "w=$width"), $thumbnail->src).'.jpg'; // '.jpg' only for format hint $item['timestamp'] = time(); $item['title'] = $thumbnail->alt; $item['content'] = $item['title'].'
'; $this->items[] = $item; $num++; if ($num >= $max) break 2; } } } public function getCacheDuration(){ return 43200; // 12 hours } }