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When using the PHP include, how can I find out which file is calling the include? In short, what is the parent's file filename?



An easy way is to assign a variable in the parent file (before the inclue), then reference that variable in the included file.

Parent File:

$myvar_not_replicated = __FILE__; // Make sure nothing else is going to overwrite
include 'other_file.php';

Included File:

if (isset($myvar_not_replicated)) echo "{$myvar_not_replicated} included me";
else echo "Unknown file included me";

You could also mess around with get_included_files() or debug_backtrace() and find the event when and where the file got included, but that can get a little messy and complicated.

Wednesday, September 21, 2022

It seems nothing is concrete in the world of xhr. I therefore resulted to using the X-File-Name header if I found it but requiring a user submitted filename. Uploads are read from the input stream.

Sunday, September 25, 2022

Make sure you always include with an absolute path, like:

require_once(dirname(__FILE__) . "/otherfile.php");
require_once(dirname(__FILE__) . "/../uponefolder.php");
require_once(dirname(__FILE__) . "/sub/folder/file.php");

Or use autoloading.

Sunday, October 30, 2022

The easiest way for the generic "PHP app running on an Apache server that you may or may not fully control" situation is to put your includes in a directory and deny access to that directory in your .htaccess file. To save people the trouble of Googling, if you're using Apache, put this in a file called ".htaccess" in the directory you don't want to be accessible:

Deny from all

If you actually have full control of the server (more common these days even for little apps than when I first wrote this answer), the best approach is to stick the files you want to protect outside of the directory that your web server is serving from. So if your app is in /srv/YourApp/, set the server to serve files from /srv/YourApp/app/ and put the includes in /srv/YourApp/includes, so there literally isn't any URL that can access them.

Friday, December 2, 2022

You can't include php files relatively to your webroot that way, cause if you use the slash as first character, the reference will go much deeper than just your document root. So, instead of using your basepath, you could do something like this :

   $path = $_SERVER['DOCUMENT_ROOT'];
   $path .= "/yourpath/yourfile.php";
Friday, August 12, 2022
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