AutoCollection and Auto class,interface,abstract

auto.php

<?php

interface AutoInterface
{
    public function __construct($marka, $type);

    public function getMarka();

    public function getType();
}

interface AutoCollectionInterface
{

    public function add(Auto $auto);

    public function delete($id);

    public function findMarka($marka): Auto;

    public function findType($type): Auto;

    public function get(): Array;
}


abstract class AutoCollectionAbstract
{
    protected $collection = [];
}

abstract class AutoAbstract
{
    protected $marka;
    protected $type;
}

class Auto extends AutoAbstract implements AutoInterface
{

}

class AutoCollection extends AutoCollectionAbstract implements AutoCollectionInterface
{

}



$lada = new Auto('lada', 'coupe');
$collection = new AutoCollection();

$collection->add($lada);

$collection->add(new Auto('mazda', 'coupe'));

print_r($collection->get());