AdminBundle/Service/UploadHandler.php
public function get($printResponse = true)
    {
        
        if ($printResponse && isset($_GET['download'])) {
            
            return $this->download();
        }
        
        $fileName = $this->get_file_name_param();
        
        
        if ($fileName) {
            $response = array(
                substr($this->options['param_name'], 0, -1) => $this->get_file_object($fileName)
            );
        } else {        
            $response = array(
                $this->options['param_name'] => $this->get_file_objects()
            );
        }

        return $this->generate_response($response, $printResponse);
    }
public function get($printResponse = true)
    {
        
        if ($printResponse && isset($_GET['download'])) {
            
            return $this->download();
        }
        
        $fileName = $this->get_file_name_param();
        
        
        if ($fileName) {
            $response = array(
                substr($this->options['param_name'], 0, -1) => $this->get_file_object($fileName)
            );
        } else {        
            $response = array(
                $this->options['param_name'] => $this->get_file_objects()
            );
        }

        return $this->generate_response($response, $printResponse);
    }
Get method

@param bool $printResponse

@return array