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doctrine2.4问题

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Release： 2016-06-06 20:44:19
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new \Doctrine\Common\Collections\ArrayCollection到底是个什么东东？
建表时经常会看到，手册上没看明白。
能通俗点解答下吗？谢谢！

回复内容：

new \Doctrine\Common\Collections\ArrayCollection到底是个什么东东？
建表时经常会看到，手册上没看明白。
能通俗点解答下吗？谢谢！

我理解是为了让object list能像array一样访问、迭代，所做的一层封装，实现了countable, selectable, iterator, arrayaccess等接口

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