PHP Decode

<?php

declare(strict_types=1);

namespace Doctrine\Tests\ORM\Functional\Ticket;

use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
use Doctrine\ORM\Mapping\Column;
use Doctrine\ORM\Mapping\Entity;
use Doctrine\ORM\Mapping\GeneratedValue;
use Doctrine\ORM\Mapping\Id;
use Doctrine\ORM\Mapping\ManyToOne;
use Doctrine\ORM\Mapping\OneToMany;
use Doctrine\Tests\OrmFunctionalTestCase;

class DDC735Test extends OrmFunctionalTestCase
{
    protected function setUp(): void
    {
        parent::setUp();

        $this->createSchemaForModels(DDC735Product::class, DDC735Review::class);
    }

    public function testRemoveElementAppliesOrphanRemoval(): void
    {
        // Create a product and its first review
        $product = new DDC735Product();
        $review  = new DDC735Review($product);

        // Persist and flush
        $this->_em->persist($product);
        $this->_em->flush();

        // Now you see it
        self::assertCount(1, $product->getReviews());

        // Remove the review
        $reviewId = $review->getId();
        $product->removeReview($review);
        $this->_em->flush();

        // Now you don't
        self::assertCount(0, $product->getReviews(), 'count($reviews) should be 0 after removing its only Review');

        // Refresh
        $this->_em->refresh($product);

        // It should still be 0
        self::assertCount(0, $product->getReviews(), 'count($reviews) should still be 0 after the refresh');

        // Review should also not be available anymore
        self::assertNull($this->_em->find(DDC735Review::class, $reviewId));
    }
}

#[Entity]
class DDC735Product
{
    /** @var int */
    #[Id]
    #[Column(type: 'integer')]
    #[GeneratedValue]
    protected $id;

    /** @psalm-var Collection<int, DDC735Review> */
    #[OneToMany(targetEntity: 'DDC735Review', mappedBy: 'product', cascade: ['persist'], orphanRemoval: true)]
    protected $reviews;

    public function __construct()
    {
        $this->reviews = new ArrayCollection();
    }

    /** @psalm-return Collection<int, DDC735Review> */
    public function getReviews(): Collection
    {
        return $this->reviews;
    }

    public function addReview(DDC735Review $review): void
    {
        $this->reviews->add($review);
    }

    public function removeReview(DDC735Review $review): void
    {
        $this->reviews->removeElement($review);
    }
}

#[Entity]
class DDC735Review
{
    /** @var int */
    #[Id]
    #[Column(type: 'integer')]
    #[GeneratedValue]
    protected $id;

    public function __construct(
        #[ManyToOne(targetEntity: 'DDC735Product', inversedBy: 'reviews')]
        protected DDC735Product $product,
    ) {
        $product->addReview($this);
    }

    public function getId(): int
    {
        return $this->id;
    }
}
 ?>