Piwik\Date::subPeriod PHP Method

Date Class Documentation Mostra file Open project: piwik/piwik

subPeriod() public method

Subtracts a period from $this date and returns the result in a new Date instance.
public subPeriod ( integer $n, string $period ) : Date
$n integer The number of periods to add. Can be negative.
$period string The type of period to add (YEAR, MONTH, WEEK, DAY, ...)
return Date 
    public function subPeriod($n, $period)
    {
        return $this->addPeriod(-$n, $period);
    }
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