use \Ceic\Api\Configuration;
use \Ceic\Api\Apis\SeriesApi;
use \Ceic\Api\Models\QueryEntities\SeriesApiQueryEntity;

$access_token = "ENTER YOUR API KEY HERE";
$config = Configuration::getDefaultConfiguration();
Configuration::setDefaultConfiguration($config);
$seriesApi = new SeriesApi();
$seriesQueryEntity = new SeriesApiQueryEntity();

$example_series_id = array(EXAMPLE SERIES ID);

# Get series from a list of series one by one
foreach ($example_series_id as &$series_id) {
    $seriesQueryEntity->setId($series_id)->setToken($access_token);
    $series = $seriesApi->searchSeriesQuery($seriesQueryEntity);
    var_export($series);
}

?>