public function getSessionStatus(&$session) {

	$this->checkAuth();

	$url = '/Panopto/PublicAPI/Rest/sessionUpload/' . $session->sessionData()['ID'];

	$response = $this->http->get($url, array(

	    'headers' => ['Authorization' => 'Bearer ' . $this->token]

	));

	$this->checkResponseStatus($response, 200);

	$response_body = json_decode($response->getBody(), true);

	$session = new Session($response_body);

	return $response_body['State'];        

}

public function finishSession(&$session) {

	$this->checkAuth();

	$session_data = $session->sessionData();

	$session_data['State'] = 1;

	$url = '/Panopto/PublicAPI/Rest/sessionUpload/' . $session_data['ID'];

	$response = $this->http->put($url, array(

	    'headers' => ['Authorization' => 'Bearer ' . $this->token],

	    'json' => $session_data

	));

	$this->checkResponseStatus($response, 200);

	$response_body = json_decode($response->getBody(), true);

	$session = new Session($response_body);

}


 public function uploadFile($file_path) {

       $upload_target = $this->session_data['UploadTarget'];

 
        $file_name = basename($file_path);  

        $credentials = new Credentials('test', 'test');


        $elements = explode('/', $upload_target);

        $session_dir = array_pop($elements);

        $prefix = array_pop($elements) . '/' . $session_dir; 

        $bucket = array_pop($elements); 

        $service_endpoint = implode('/', $elements);

        $object_key = $prefix.'/'.$file_name;


        $s3Client = new S3Client([

            'endpoint' => $service_endpoint,

            'region'  => 'us-east-2',

            'version' => 'latest',

            'credentials' => $credentials,

            'http' => [

        	'verify' => false,

            ],

        ]);


        try {

            $source = fopen($file_path, 'rb');


            $uploader = new ObjectUploader(

        	$s3Client,

        	'Panopto', 

        	$object_key,

        	$source

            );


            do {

        	try {

        	    $result = $uploader->upload();

        	} catch (MultipartUploadException $e) {

        	    rewind($source);

        	    $uploader = new MultipartUploader($s3Client, $source, [

        		'state' => $e->getState(),

        	    ]);

        	}

            } while (!isset($result));


            echo "Upload complete: {$result['ObjectURL']}" . PHP_EOL;

        } catch (AwsException $e) {

            echo "S3 upload err: " . $e->getMessage() . PHP_EOL;

        }
}



$client = new Client($host);

$client->authenticate($client_id, $client_secret, $username, $password);

$session = $client->newSession($folder_id);

$session->uploadFile('/home/hostname/video/test.mp4');

$client->finishSession($session);

$status = $client->getSessionStatus($session);

echo $status;

This is a source for uploading files to panopto, but a list is created in the directory, but it does not play.
I think the file wasn't uploaded properly.
If you look at the results, Upload complete is displayed and $status is 1.

What's the problem?