RRD 関数
PHP Manual

rrd_last

(PECL rrd >= 0.9.0)

rrd_lastGets unix timestamp of the last sample.

説明

int rrd_last ( string $filename )

Returns the UNIX timestamp of the most recent update of the RRD database.

パラメータ

filename

Filename for the RRD database file.

返り値

Integer as unix timestamp of the most recent data of the RRD database.


RRD 関数
PHP Manual