With PHP V5, however, you can build object type checking right into the class or method declaration.

但是，如果使用 PHP V5 的话，可以将对象类型检查构建到类或方法声明中。

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Note that the advice is a plain method declaration.

请注意通知就是普通的方法声明。

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The return type of the method declaration indicates in what object format the results of the SQL statement will be returned.

方法声明的返回类型表明sql语句的结果返回什么样的对象格式。

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