What is the use of doctrine in PHP?

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Tags

1. #business
2. #transparent
3. #mapper
4. #separation
5. #system
6. #logic
7. #database
8. #object
9. #objects
10. #management
11. #doctrine
12. #complete
13. #aiming
14. #heart
15. #relational
16. #pattern
17. #domain
18. #provides
19. #persistence