Doctrine2: Best way to handle many-to-many with extra columns in reference table

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I’ve opened a similar question in the Doctrine user mailing list and got a really simple answer;

consider the many to many relation as an entity itself, and then you realize you have 3 objects, linked between them with a one-to-many and many-to-one relation.

http://groups.google.com/group/doctrine-user/browse_thread/thread/d1d87c96052e76f7/436b896e83c10868#436b896e83c10868

Once a relation has data, it’s no more a relation !

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