$_SERVER序列变量包含了服务器端变量，允许程序员重定义AcceptHTTP头信息。

The $_SERVER array contains the server variables, allowing us to interrogate the Accept HTTP header.

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$_SERVER序列变量包含了服务器端变量，允许程序员重定义AcceptHTTP头信息。

The $_SERVER array contains the server variables, allowing us to interrogate the Accept HTTP header.

youdao