Question 1

How to install Mongo PHP Adapter with Composer?

Accepted Answer

Run `composer config "platform.ext-mongo" "1.6.16" && composer require alcaeus/mongo-php-adapter`. This workaround is needed because of a Composer bug, as explained in the README's installation section.

Question 2

Mongo PHP Adapter vs new MongoDB driver: which one should I use?

Accepted Answer

Use the adapter only if you have legacy code dependent on ext-mongo, like Doctrine ODM projects. For new projects, directly use the mongodb/mongodb library with ext-mongodb, as the README advises against using this library for fresh development.

Question 3

How to handle missing methods like MongoLog in Mongo PHP Adapter?

Accepted Answer

Missing methods such as MongoLog are not implemented because the underlying ext-mongodb driver doesn't provide the data. You may need to refactor your logging code or find alternative monitoring solutions for your MongoDB queries.

Question 4

Can I serialize MongoDB objects with Mongo PHP Adapter?

Accepted Answer

No, serialization of objects like MongoCursor or MongoGridFSFile is not supported properly—they can be serialized but become unusable after unserializing, as noted in the 'Known issues' about serialization.

Question 5

How does authentication work with Mongo PHP Adapter?

Accepted Answer

The authenticate method is not supported; instead, provide credentials in the connection string when setting up the database connection, as mentioned in the README's notes on MongoDB authentication.

Question 6

What are the performance implications of using Mongo PHP Adapter?

Accepted Answer

As a userland compatibility layer, it adds abstraction on top of ext-mongodb, which might introduce slight overhead. However, it enables legacy code to run on PHP 7+, so the trade-off is often acceptable for migration purposes.

mongo-php-adapter

What is mongo-php-adapter?

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