Coding standards

for understanding the coding standards

        ##Slide fields
        $slideField = (new Slide())
            ->setName("slide1")
            ->setLabel("slide label")
            ->setMin(0)
            ->setMax(110)
            ->setValue(50);
        
        $slideField
            ->addValidator(new Inclusion("data error"))
            ->addValidator(new Required("required error"));