Frontend\Core\Engine\TemplateModifiers::formatFloat PHP Method

    public static function formatFloat($number, $decimals = 2)
    {
        return number_format((double) $number, (int) $decimals, '.', ' ');
    }

 public function testFormatFloat()
 {
     self::assertEquals('1.2344', TemplateModifiers::formatFloat(1.2344, 4));
     self::assertEquals('1.234', TemplateModifiers::formatFloat(1.2344, 3));
     self::assertEquals('1', TemplateModifiers::formatFloat(1.2344, 0));
 }