Steven Stromer wrote:
For years I was lulled into thinking I understood php include
functions...
I have always used relative paths in my include and related functions,
for instance:
include_once ("lib/included.php");
However, I am now needing to switch to absolute paths:
include_once ("/lib/included.php");
This doesn't work. Generates error:
Warning: main(/lib/included.php) [function.main.html]: failed to open
stream: No such file or directory in /var/www/sites/sitename/index.php
on line 8
Warning: main() [function.include.html]: Failed opening
'/lib/included.php' for inclusion
(include_path='.:/var/www/sites/sitename') in
/var/www/sites/sitename/index.php on line 8
You are confusing the web server's DOCUMENT_ROOT with your server's unix
file system root directory '/'.
I would think I need to correct the include_path in php.ini, but the
include_path seems right. The file I want to include does exist at:
/var/www/sites/sitename/lib/included.php
I always believed that the include_path and the path in the include()
function were simply concatenated, but I now think that I am just
plain wrong, as the error is reproducible on OS X, Fedora and
everywhere else I test it.
Am I not taking into account some other directive that affects
include_path, like 'doc_root' in php.ini, or 'DocumentRoot' or
'ServerRoot' in httpd.conf? Or is this a permissions issue of some sort?
If you want to include a file which stems from the DOCUMENT_ROOT, try
something like this:
* include_once($_SERVER['DOCUMENT_ROOT']."/lib/included.php");
Since absolute paths are relative to the server root, this will
correctly map the full path. Very likely from what you stated above,
this is true:
* $_SERVER['DOCUMENT_ROOT'] == "/var/www/sites/sitename"
Dante
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