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1·Also, if you would want to go for unsetting every variable you do not use - don't.

还有，如果你想去取消每个变量你不——不要使用。

2·This destructor would have to be called specifically before unsetting the parent class reference.

这种解构器必须在解除父类引用之前进行调用。

3·The first step is to make sure that the user is logged out by unsetting the relevant session variables.

第一步，确保用户是通过取消相关会话变量来进行注销的。

4·We can test and unset individual instance properties of the contact. For example, if the user cleared the string in the interface, we could use this to signify unsetting.

我们可以测试和取消设置联系人的个别实例属性。

5·Within its warm preserve , I found the space to let the most unsetting questions of birth and death and community dissolve into the blood of familiarity and larger consequence.

在其温暖的庇护下，我寻找到了一片空间，能让这些关于出生，死亡，社会等等纷乱的问题，都在慢慢的熟悉中消逝。

6·In addition to this, SDOs also exploit PHP's ability to implement objects that can be manipulated as if they were arrays, including support for iteration, state testing and unsetting.

除此之外，SDO还利用PHP的像处理数组那样处理对象的能力来实现对象，包括实现对集成的支持，声明测试和复位。