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?? Editing: HierarchyDiscriminatorResolver.php

<?php

namespace Doctrine\ORM\Utility;

use Doctrine\Persistence\Mapping\ClassMetadata;
use Doctrine\ORM\EntityManagerInterface;
use function interface_exists;

/**
 * @internal This class exists only to avoid code duplication, do not reuse it externally
 */
final class HierarchyDiscriminatorResolver
{
    private function __construct()
    {
    }

/**
     * This method is needed to make INSTANCEOF work correctly with inheritance: if the class at hand has inheritance,
     * it extracts all the discriminators from the child classes and returns them
     *
     * @return null[]
     *
     * @psalm-return array<array-key, null>
     */
    public static function resolveDiscriminatorsForClass(
        ClassMetadata $rootClassMetadata,
        EntityManagerInterface $entityManager
    ): array {
        $hierarchyClasses = $rootClassMetadata->subClasses;
        $hierarchyClasses[] = $rootClassMetadata->name;

$discriminators = [];

foreach ($hierarchyClasses as $class) {
            $currentMetadata = $entityManager->getClassMetadata($class);
            $currentDiscriminator = $currentMetadata->discriminatorValue;

if (null !== $currentDiscriminator) {
                $discriminators[$currentDiscriminator] = null;
            }
        }

return $discriminators;
    }
}

interface_exists(ClassMetadata::class);

?? HierarchyDiscriminatorResolver.php | ?? Edit | ??? Delete
?? IdentifierFlattener.php | ?? Edit | ??? Delete
?? PersisterHelper.php | ?? Edit | ??? Delete