Push data to Streamr by using PHP. No composer required.
include_once($_SERVER['DOCUMENT_ROOT']. '/streamr/streamr.class.php');
$streamrClient = new Streamr('STREAMR_PRIVATE_KEY', 'STREAMR_STREAM_ID');
$response = $streamrClient->publishData(array(
'hello' => 'world'
));
print_r($response);