PHP Doctrine\MongoDB\Aggregation Expr::avg - 1 examples found. These are the top rated real world PHP examples of Doctrine\MongoDB\Aggregation\Expr::avg extracted from open source projects. You can rate examples to help us improve the quality of examples.
Returns the average value of the numeric values that result from applying
a specified expression to each document in a group of documents that
share the same group by key. Ignores nun-numeric values.
See also:
http://docs.mongodb.org/manual/reference/operator/aggregation/avg/