Magento Play ground

playground.php

<?php
/**
 * @license    http://www.opensource.org/licenses/mit-license.html  MIT License
 * @author Iftakharul Alam Bappa <info@shiftenter.dev> 
 */
require __DIR__ . '/app/bootstrap.php';

class Playground extends \Magento\Framework\App\Http implements \Magento\Framework\AppInterface
{
    public function launch()
    {
        //$product = $this->_objectManager->get(\Magento\Catalog\Model\ProductFactory::class)->create();
        /** @var \Magento\Catalog\Model\ResourceModel\Product\Collection $collection */
        $collection = $this->_objectManager->get(\Magento\Catalog\Model\ResourceModel\Product\CollectionFactory::class)->create();
        $product = $collection->addFieldToFilter('entity_id', ['in'=> [1,2,3,5,7,8]])
            ->addAttributeToSelect(['id','name','sku'])
            ->addAttributeToSort('sku', 'desc')
            ->load();
        //echo $product->fetchItem();
        var_dump($product->getColumnValues('sku'));
        //$product->load(1);
        //var_dump($product->getData()[0]);
        //echo $product[0]->getData('name') . "\n";
        echo "\n";
        return $this->_response;
    }

    public function catchException(\Magento\Framework\App\Bootstrap $bootstrap, \Exception $exception): bool
    {
        return false;
    }
}

$bootstrap = \Magento\Framework\App\Bootstrap::create(BP, $_SERVER);
$app = $bootstrap->createApplication(Playground::class);
$bootstrap->run($app);