source/Core/DataObject/ApplicationServer.php
private function hasLifetimeExpired($currentTimestamp, $periodTimestamp)
    {
        $timestamp = $this->getTimestamp();
        return (bool) ($currentTimestamp - $timestamp >= $periodTimestamp);
    }
private function hasLifetimeExpired($currentTimestamp, $periodTimestamp)
    {
        $timestamp = $this->getTimestamp();
        return (bool) ($currentTimestamp - $timestamp >= $periodTimestamp);
    }
private function hasLifetimeExpired ( $ currentTimestamp , $ periodTimestamp ) { $ timestamp = $ this -> getTimestamp ( ) ; return ( bool ) ( $ currentTimestamp - $ timestamp >= $ periodTimestamp ) ; }
Compare if the application server lifetime has exceeded given period.

@param int $currentTimestamp The current timestamp.
@param int $periodTimestamp  The timestamp of period to check.

@return bool
Compare if the application server lifetime has exceeded given period .