rrd_last(PECL rrd >= 0.9.0) rrd_last — Gets unix timestamp of the last sample. Описание
   int rrd_last
    ( string $filename
   ) 
  Returns the UNIX timestamp of the most recent update of the RRD database. Список параметров
 Возвращаемые значенияInteger as unix timestamp of the most recent data from the RRD database.  | 
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