Re: How can I replace $_SERVER["DOCUMENT_ROOT"] in PHP 7.0?

I normally set a constant BASE_DIR that points to the main root and include
files depending on where they are. With access to BASE_DIR you can also
know where other files are from where you are.

On Mon, Sep 13, 2021 at 5:09 PM Bo Berglund <[email protected]> wrote:

> On Mon, 13 Sep 2021 21:30:18 +0100, Ashley Sheridan <
> [email protected]>
> wrote:
>
> >
> >On 13/09/2021 21:17, Bo Berglund wrote:
> >> On Mon, 13 Sep 2021 20:36:35 +0100, Ashley Sheridan <
> [email protected]>
> >> wrote:
> >>
> >>>> include_once ('appdbdata.php');
> >>>>
> >>>> THen seemingly all worked, but only until a call was made to a php
> file at a
> >>>> deeper location which also included this file...
> >>>>
> >>> Have you looked at __DIR__ ?
> >>> https://www.php.net/manual/en/language.constants.magic.php
> >> Yes, I have tested this php file located in the htdocs/ dir:
> >>
> >> <?php
> >> ini_set('display_errors', '1');
> >>
> set_include_path(get_include_path().PATH_SEPARATOR.dirname($_SERVER['DOCUMENT_ROOT'],1)."/php");
> >> include ('logindata.php');
> >>
> >> echo  "Including: "
> .dirname($_SERVER['DOCUMENT_ROOT'],1)."/php/logindata.php";
> >> echo "<br>Mail sender= " . $mailsender ;
> >> echo '<br>Dir= ' . __DIR__ ;
> >> echo  "<br>DocRoot= " . dirname($_SERVER["DOCUMENT_ROOT"],1) . "/";
> >> ?>
> >>
> >> The output was this:
> >>
> >> Including: /usr/services/vux/apache/php/logindata.php
> >> Mail sender=
> >> Dir= /data/25/2/158/91/2484743/user/2721122/htdocs
> >> DocRoot= /usr/services/vux/apache/
> >>
> >> The strange thing is that even though I have set include_path according
> to the
> >> selected solution in this stackoverflow thread:
> >>
> https://stackoverflow.com/questions/44984560/what-is-the-php7-version-of-serverhome
> >> it does not pick up the logindata.php file where $mailsender is defined.
> >> If I move the test php file into /php then it picks up the information
> since it
> >> is in the same dir.
> >>
> >> Note that __DIR__ and dirname($_SERVER['DOCUMENT_ROOT'],1) return
> completely
> >> different paths!
> >>
> >> It really seems very strange that they have removed this function
> without
> >> supplying a new version...
>
> >They might show different paths, it all depends on the main script being
> >run (autoloaders are your friend here). But you can use it to generate
> >paths using some basic string concatenation (and some file methods if
> >you want some better error case handling).
>
> However, my main goal was to be able to use includes across the server so
> php
> files in different locations could use the same set of utilities by
> including
> them with the correct path.
>
> So since this obviously does not work I have to start calculating relative
> paths
> from every place I have put the php files, like:
>
> include ('../../php/logindata.php');
>
> And what happens if such a file in turn needs an include, is it relative
> to the
> original php file called or is it relative to the file which makes the
> include?
>
>
> --
> Bo Berglund
> Developer in Sweden
>