RRDUpdater::update

(PECL rrd >= 0.9.0)

RRDUpdater::update — Update the RRD database file

说明

public RRDUpdater::update(array $values, string $time = time() ): bool

Updates the RRD file defined via RRDUpdater::__construct(). The file is updated with a specific values.

参数

values: Data for update. Key is data source name.
time: Time value for updating the RRD with a particular data. Default value is current time.

返回值

成功时返回 true，或者在失败时返回 false。

错误／异常

Throws a Exception on error.

示例

示例 #1 RRDUpdater::update() examples

<?php
$updator = new RRDUpdater("speed.rrd");
//updates the data source "speed" with value "12411"
//for time defined by timestamp "920807700"
$updator->update(array("speed" => "12411"), "920807700");
?>