How to compare two fields in mongo?

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ignat072019-03-19 12:34:14

PHP

ignat07, 2019-03-19 12:34:14

Hello, I have a collection Test and it has 2 fields field1 and field2 . I'm using collection->aggregate , that's how it should be :) That's why I can't compare two fields using where. Tell me how to do this for aggregations.

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