How to have identity map in doctrine ORM

Question

need to use a good PHP ORM that has elements of Datamapper and I am not clever enough to code it myself.

chosen doctrine, but after reading through the user guide, cannot find anything that says how to use identity map to lower calls to database.

please show me how to have identity map in doctrine ORM?

just read and understood stuff like datamapper, activerecord, identity map, domain model YESTERDAY via fowler's PEAA book.

Answer 1

如本文所述， Doctrine 2支持身份映射模式