code/libraries/joomlatools/library/user/session/container/metadata.php
public function isExpired()
    {
        $curTime = $this->timer['now'];
        $maxTime = $this->timer['last'] + $this->_lifetime;

        return ($maxTime < $curTime);
    }
public function isExpired()
    {
        $curTime = $this->timer['now'];
        $maxTime = $this->timer['last'] + $this->_lifetime;

        return ($maxTime < $curTime);
    }
public function isExpired ( ) { $ curTime = $ this -> timer [ 'now' ] ; $ maxTime = $ this -> timer [ 'last' ] + $ this -> _lifetime ; return ( $ maxTime < $ curTime ) ; }
Check if the session has expired

@return boolean Returns TRUE if the session has expired
Check if the session has expired