First Last

public function __construct() {
        $this->categoryMaterialsModel = new Model_Category_Materials();
        $this->fooModel = new Foo();
        $this->view = new View();
    }

foreach ($matches as $item) {
      $element = $this->itemObjectInfo($item['id']);
      echo '<h1>' + $element['title'] . '</h1>';
}

$array = [
     ['url' => 'http://habr.ru', 'extn' => '1024x768', 'size' => 600, 'format' => 'jpeg', 'path' => 'path'],
     ['url' => 'http://google.ru', 'extn' => '1024x768', 'size' => 600, 'format' => 'jpeg', 'path' => 'path'],
];
function screen($url, $extn, $size, $format, $path) 
{
    $url = "http://mini.s-shot.ru/".$extn."/".$size."/".$format."/?".urlencode($url);
    $str = file_get_contents($url);
    file_put_contents($path + "screen.".$format, $str); // тут лучше указать путь куда сохранять
}

foreach ($array as $data) {
   screen($data['url'], $data['extn'], $data['size'], $data['format'], $data['path']);
}