无法打开流：没有这样的文件或目录
> Warning: include_once(/PoliticalForum/headerSite.php) [function.include-once]: failed to open stream: No such file or
> directory in C:\xampp\htdocs\PoliticalForum\mainHome.php on line 16
>
> Warning: include_once() [function.include]: Failed opening
> '/PoliticalForum/headerSite.php' for inclusion
> (include_path='.;C:\xampp\php\PEAR') in
> C:\xampp\htdocs\PoliticalForum\mainHome.php on line 16
为什么当我使用 include_once 时会出现该错误：
include_once("/PoliticalForum/headerSite.php");
> Warning: include_once(/PoliticalForum/headerSite.php) [function.include-once]: failed to open stream: No such file or
> directory in C:\xampp\htdocs\PoliticalForum\mainHome.php on line 16
>
> Warning: include_once() [function.include]: Failed opening
> '/PoliticalForum/headerSite.php' for inclusion
> (include_path='.;C:\xampp\php\PEAR') in
> C:\xampp\htdocs\PoliticalForum\mainHome.php on line 16
Why do I get that Error when I use include_once:
include_once("/PoliticalForum/headerSite.php");
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这是因为您在文件路径中包含了前导
/。/使其从文件系统的顶部开始。注意：文件系统路径，而不是网站路径（您不是通过 HTTP 访问它）。您可以将相对路径与include_once（不以前导/开头的路径）结合使用。您可以将其更改为：
这将首先在包含它的文件所在的目录中查找（即示例中的 C:\xampp\htdocs\PoliticalForum\ ）。
It's because you have included a leading
/in your file path. The/makes it start at the top of your filesystem. Note: filesystem path, not Web site path (you're not accessing it over HTTP). You can use a relative path withinclude_once(one that doesn't start with a leading/).You can change it to this:
That will look first in the same directory as the file that's including it (i.e.
C:\xampp\htdocs\PoliticalForum\in your example.include() 需要相对于文件系统根目录的完整文件路径。
这应该有效：
include() needs a full file path, relative to the file system's root directory.
This should work:
你可以使用：
you can use:
由于给定的路径错误而发生无法打开流错误，例如：
如果图像文件夹不允许您存储图像，则会出现错误，
确保您的文件夹可读
Failed to open stream error occurs because the given path is wrong such as:
It will give an error if the images folder will not allow you to store images,
be sure your folder is readable