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AW: file_exists() and safe_mode

php.internals

Matthias Pigulla

20 years ago

> I think the current  behavior solves made old bug reports,
> where by people used is_readable() to see if they could read
> from a file, only to have the operation file due to
> safe_mode/open_basedir restrictions. Taking the check away
> would also mean it would be possible to "explore" file file
> system bypassing PHP's file system restrictions.

So this is a documentation bug and there is no way to check beforehand
whether an include($filepath) will succeed or not when safe_mode is on?

Kind regards
mp.

Ilia A.

20 years ago

On 5-Sep-06, at 11:45 AM, Matthias Pigulla wrote:

> So this is a documentation bug and there is no way to check beforehand
> whether an include($filepath) will succeed or not when safe_mode is
> on?

Now there is (because of the change), before there was none. Do the
check before, you'd need to open the file with @fopen(), see if that
failed and if it not, then you know for certain you can work with the
file.

Ilia Alshanetsky