public function reset(?string $char = null): string
    {
        $this->initialize();
        return
            $this->sectionSeparator($char);
    }
public function reset(?string $char = null): string
    {
        $this->initialize();
        return
            $this->sectionSeparator($char);
    }
public function reset ( ? string $ char = null ) : string { $ this -> initialize ( ) ; return $ this -> sectionSeparator ( $ char ) ; }
Resets Benchmark object clear. Returns divider string.

@param null|string $char
@return string
@throws \Exception
Resets Benchmark object clear . Returns divider string .