<?php // Copyright (c) Lellys Informática. All rights reserved. See License.txt in the project root for license information. namespace Collections; /** * Provides functionality to evaluate queries against a specific data source wherein the type of the data is not * specified. */ interface CollectionInterface extends ConstCollectionInterface, OutputCollectionInterface { /** * Removes all items from the collection. * @return void */ public function clear(); }
获取一个集合的语法与获取数据库时相同:一个集合相当于一张表。(如果你对关系型数据库比较熟悉)
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