adapter design pattern

adapter.php

<?php

////Pusedio kodlar
class  BusinessLayer
{
    public function ManageProduct()
    {
    ////Myslq Server Kullanmak istediğimizde 
    $productManager  = new ProductManager( new MysqlAdapter());
    $productManager->getData($query,$params);
    $productManager->insert($query,$params);

    ///MongoDB Kullanmak istediğimizde 
    $productManager  = new ProductManager( new MongoAdapter());
    $productManager->getData($query,$params);
    $productManager->insert($query,$params);
    }

}


class ProductManager 
{
    private IDatabase $DataAccessLayer;
    function __construct(IDatabase $DataAccessLayer)
    {
        $this->$DataAccessLayer = $DataAccessLayer;
    }
    
}



interface IDatabase
{
    public function getData($query,$parameters);
    public function insertData($query,$parameters);
    public function updateData($query,$parameters);
    public function deleteData($query,$parameters);
}


class MysqlAdapter implements IDatabase
{

    public function getData($query,$parameters)
    {
        return DB::select($query,$parameters);
    }
    public function insertData($query,$parameters)
    {
        return DB::insert($query,$parameters);
    }
    public function updateData($query,$parameters)
    {
        return DB::update($query,$parameters);
    }
    public function deleteData($query,$parameters)
    {
        return DB::delete($query,$parameters);
    }
}

class MongoAdapter implements IDatabase
{

    public function getData($query,$parameters)
    {
        return Mongo::select($query,$parameters);
    }
    public function insertData($query,$parameters)
    {
        return Mongo::insert($query,$parameters);
    }
    public function updateData($query,$parameters)
    {
        return Mongo::update($query,$parameters);
    }
    public function deleteData($query,$parameters)
    {
        return Mongo::delete($query,$parameters);
    }
}