您需要使用CLEARCASE CLEARCASE _ POP_ KIND环境变量来决定用户是否调用了文件删除或者移动操作。

You need to use the CLEARCASE CLEARCASE_POP_KIND environment variable to decide whether a user has invoked a file-delete or move operation.

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当服务器正在运行时，可以添加、更改和删除 Enterprise Replication 配置参数和环境变量在内存中的值。

You can add, change, and remove in-memory values for Enterprise Replication configuration parameters and environment variables while the server is running.

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如果您没有使用某种超全局变量（比如环境变量），您可以安全地删除它们来获得一点加速，从而避免在每一个请求上解析它们。

If you aren't using certain superglobals (such as environment variables), you can safely remove them to gain a small speedup from not having to parse them on every request.

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