BaiduBCS::create_object_by_content PHP Method

    public function create_object_by_content($bucket, $object, $content, $opt = array())
    {
        $this->assertParameterArray($opt);
        $opt[self::BUCKET] = $bucket;
        $opt[self::OBJECT] = $object;
        $opt[self::METHOD] = 'PUT';
        if ($content !== null && is_string($content)) {
            $opt['content'] = $content;
        } else {
            throw new BCS_Exception("Invalid object content, please check.", -1);
        }
        if (isset($opt['acl'])) {
            if (in_array($opt['acl'], self::$ACL_TYPES)) {
                self::set_header_into_opt("x-bs-acl", $opt['acl'], $opt);
            } else {
                throw new BCS_Exception("Invalid acl string, it should be acl_type", -1);
            }
            unset($opt['acl']);
        }
        if (isset($opt['filename'])) {
            self::set_header_into_opt("Content-Disposition", 'attachment; filename=' . $opt['filename'], $opt);
        }
        $response = $this->authenticate($opt);
        $this->log($response->isOK() ? "Create object[{$object}] success!" : "Create object[{$object}] failed! Response: [" . $response->body . "] Logid[" . $response->header["x-bs-request-id"] . "]", $opt);
        return $response;
    }

function file_writeBAE($file, $data) {
	global $_W;
	$file = str_replace(IA_ROOT.'/', '', $file);
	$file = $file[0] == '/' ? $file : '/'.$file;
	$pathinfo = pathinfo($file);
	$baiduBCS = new BaiduBCS($_W['config']['bae']['ak'], $_W['config']['bae']['sk']);
	$response = $baiduBCS->create_object_by_content($_W['config']['bae']['bucket'], $file, $data, array('acl' => BaiduBCS::BCS_SDK_ACL_TYPE_PUBLIC_READ));
	if ($response->isOK()) {
		$baiduBCS->set_object_meta($_W['config']['bae']['bucket'], $file, array("Content-Type" => BCS_MimeTypes::get_mimetype($pathinfo['extension'])));
		$result['success'] = true;
	}
}