The offline version of PHP user manual downloaded is unusable.

[XueSiLf]

From manual page: https://www.php.net/download-docs.php

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I would like to ask why the offline version of PHP user manual downloaded is blank when opened in Win10 environment.

[sy-records]

If you are using Windows XP SP2 or later and you are going to download the documentation in CHM format, you need to "unblock" the file after downloading it by right-clicking on it in Windows Explorer and selecting the "Properties" menu item, then clicking on the "Unblock" button (on Windows Vista this is within the "Security" options). Failure to unblock the documentation file may result in error messages including "Navigation to the webpage was canceled" due to Windows security restrictions.

看下文档这段，试试

[XueSiLf]

好的，多谢大佬

[XueSiLf]

可以了，就选中这个就好了。