WPDKDateTime::accuracy PHP Method

    public static function accuracy($v = false)
    {
        $conversion = array('seconds' => '%Y-%m-%d %H:%i:%s', 'minutes' => '%Y-%m-%d %H:%i', 'hours' => '%Y-%m-%d %H', 'days' => '%Y-%m-%d', 'months' => '%Y-%m', 'years' => '%Y');
        // Check for keys
        if (in_array(strtolower($v), array_keys($conversion))) {
            return $conversion[strtolower($v)];
        }
        // Check for values
        if (in_array($v, array_values($conversion))) {
            return $v;
        }
        return current($conversion);
    }