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20 namespace Doctrine\Common\Collections;
23 * Interface for collections that allow efficient filtering with an expression API.
25 * Goal of this interface is a backend independent method to fetch elements
26 * from a collections. {@link Expression} is crafted in a way that you can
27 * implement queries from both in-memory and database-backed collections.
29 * For database backed collections this allows very efficient access by
30 * utilizing the query APIs, for example SQL in the ORM. Applications using
31 * this API can implement efficient database access without having to ask the
32 * EntityManager or Repositories.
34 * @author Benjamin Eberlei <kontakt@beberlei.de>
40 * Select all elements from a selectable that match the expression and
41 * return a new collection containing these elements.
43 * @param Criteria $criteria
46 function matching(Criteria $criteria);