| Re: Why does relative include fail? [message #174456 is a reply to message #174448] |
Sun, 12 June 2011 20:02   |
Mathieu Maes
Messages: 5
Registered: May 2011
Karma:
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Junior Member |
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On 12 jun, 03:00, Disc Magnet <discmag...@gmail.com> wrote:
> disc@puff:~/php$ ls
> a.php data include
>
> disc@puff:~/php$ tree
> .
> ├── a.php
> ├── data
> │ └── d.php
> └── include
> ├── b.php
> └── c.php
>
> 2 directories, 4 files
>
> disc@puff:~/php$ cat a.php
> a.php is including include/b.php ...
> <?php include "include/b.php" ?>
>
> disc@puff:~/php$ cat include/b.php
> b.php is including c.php and ../data/d.php ...
> <?php include "c.php" ?>
> <?php include "../data/d.php" ?>
>
> disc@puff:~/php$ cat include/c.php
> c.php
>
> disc@puff:~/php$ cat data/d.php
> d.php
>
> disc@puff:~/php$ php a.php
> a.php is including include/b.php ...
> b.php is including c.php and ../data/d.php ...
> c.php
> PHP Warning: include(../data/d.php): failed to open stream: No
> such file or directory in /home/disc/php/include/b.php on line 3
> PHP Warning: include(): Failed opening '../data/d.php' for
> inclusion (include_path='.:/usr/share/php:/usr/share/pear') in /home/
> disc/php/include/b.php on line 3
> disc@puff:~/php$
>
> Why does `include "c.php"` succeed but `include "../data/d.php"` fail?
>
> http://www.php.net/manual/en/function.include.phpmentions: "If a path
> is defined — whether absolute (starting with a drive letter or \ on
> Windows, or / on Unix/Linux systems) or relative to the current
> directory (starting with . or ..) — the include_path will be ignored
> altogether. For example, if a filename begins with ../, the parser
> will look in the parent directory to find the requested file. "
>
> Parent directory of what?
Dear Disc Magnet,
Includes are always relative to the "parent" file that is including,
even when the include file is also including other files.
In your example, the correct include paths for b.php are as follows:
<?php include "include/c.php" ?>
<?php include "data/d.php" ?>
Kind regards,
Mathew
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