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Registry.php (2 issues)

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<?php
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namespace Doctrine\Bundle\DoctrineBundle;
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use Doctrine\ORM\ORMException;
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use Psr\Container\ContainerInterface;
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use Symfony\Bridge\Doctrine\ManagerRegistry;
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/**
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 * References all Doctrine connections and entity managers in a given Container.
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 */
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class Registry extends ManagerRegistry
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{
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    /**
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     * @param string[] $connections
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     * @param string[] $entityManagers
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     * @param string   $defaultConnection
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     * @param string   $defaultEntityManager
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     */
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    public function __construct(ContainerInterface $container, array $connections, array $entityManagers, $defaultConnection, $defaultEntityManager)
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    {
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        $this->container = $container;
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        parent::__construct('ORM', $connections, $entityManagers, $defaultConnection, $defaultEntityManager, 'Doctrine\ORM\Proxy\Proxy');
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    }
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    /**
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     * Resolves a registered namespace alias to the full namespace.
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     *
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     * This method looks for the alias in all registered entity managers.
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     *
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     * @see Configuration::getEntityNamespace
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     *
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     * @param string $alias The alias
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     *
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     * @return string The full namespace
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     */
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    public function getAliasNamespace($alias)
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    {
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        foreach (array_keys($this->getManagers()) as $name) {
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            try {
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                return $this->getManager($name)->getConfiguration()->getEntityNamespace($alias);
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It seems like you code against a concrete implementation and not the interface Doctrine\Common\Persistence\ObjectManager as the method getConfiguration() does only exist in the following implementations of said interface: Doctrine\ORM\Decorator\EntityManagerDecorator, Doctrine\ORM\EntityManager.

Let’s take a look at an example:

interface User
{
    /** @return string */
    public function getPassword();
}

class MyUser implements User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}

In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break.

Available Fixes

  1. Change the type-hint for the parameter:

    class AuthSystem
    {
        public function authenticate(MyUser $user) { /* ... */ }
    }
    
  2. Add an additional type-check:

    class AuthSystem
    {
        public function authenticate(User $user)
        {
            if ($user instanceof MyUser) {
                $this->logger->info(/** ... */);
            }
    
            // or alternatively
            if ( ! $user instanceof MyUser) {
                throw new \LogicException(
                    '$user must be an instance of MyUser, '
                   .'other instances are not supported.'
                );
            }
    
        }
    }
    
Note: PHP Analyzer uses reverse abstract interpretation to narrow down the types inside the if block in such a case.
  1. Add the method to the interface:

    interface User
    {
        /** @return string */
        public function getPassword();
    
        /** @return string */
        public function getDisplayName();
    }
    
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            } catch (ORMException $e) {
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Coding Style Comprehensibility introduced by
Consider adding a comment why this CATCH block is empty.
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            }
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        }
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        throw ORMException::unknownEntityNamespace($alias);
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    }
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}
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