private static function fetch_images_via_fast_image($urls_to_fetch, &$images)
{
require_once AMP__DIR__ . '/includes/lib/class-fastimage.php';
$image = new FastImage();
$urls = array();
// array_column doesn't exist in PHP 5.2.
foreach ($urls_to_fetch as $key => $value) {
$urls[] = $key;
}
foreach ($urls as $url) {
$result = $image->load($url);
if (false === $result) {
$images[$url]['size'] = self::STATUS_IMAGE_EXTRACTION_FAILED;
} else {
$size = $image->getSize();
$images[$url]['size'] = $size;
}
}
}