PHP library to use Quandl API - access over 6 million time series data and upload yours.
Quandle site: www.quandl.com
API documentation: www.quandl.com/api
Sample usage:
include __DIR__ . '/lib/Quandl.php';
$quandl = new Quandl('YOUR_API_TOKEN');
$data = $quandl->download('STATCHINA/P1642');