rrd_update

(PECL rrd >= 0.9.0)

rrd_update — Updates the RRD database

说明

rrd_update ( string $filename , array $options ) : bool

Updates the RRD database file. The input data is time interpolated according to the properties of the RRD database file.

参数

filename

RRD database file name. This database will be updated.

options

Options for updating the RRD database. This is list of strings. See man page of rrd update for whole list of options.

返回值

Returns true on success, false when error occurs.

User Contributed Notes

m[dot]reza[dot]hamedany[at]gmail[dot]com 25-Jul-2017 11:27
class rrdUpdate {

    public function rrdFilesUpdate($id,$value){

        $rrdFile ="/path/to/file/".$id.rrd;

        $time = time();

            $ret = rrd_update($rrdFile, "$time:$value");
            return $ret;
            if (!$ret) {
                echo "<b>update error: </b>" . rrd_error() . "\n";
            }
        }
    }