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I have an issue with opening a php file in a side folder for a project. I'm using 

include('$_SERVER[DOCUMENT_ROOT]/KungFu/php/hours.php')

The error message is:

"Warning: include(1): failed to open stream: No such file or directory in C:\xampp\htdocs\KungFu\index.php on line 48"

also tried every variation there can be - with/out $_SERVER[DOCUMENT_ROOT], it still is not working. The index.php is in the main folder, and in the same one in a subfolder I have the hours.php, but it is not opening it in an include statement. However it is opening it via an a tag <a> with /KungFu/php/hours.php, so I really dont udnerstand why.

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  • include($_SERVER[DOCUMENT_ROOT].'/KungFu/php/hours.php'); Commented Dec 30, 2019 at 13:42
  • try relative to your current file.. include (__DIR__.'/../KungFu/php/hours.php') (or include (__DIR__.'/KungFu/php/hours.php') if i have mistaken the folder structure) Commented Dec 30, 2019 at 13:53
  • no it still doesnt work, tried all of this Commented Dec 30, 2019 at 15:08

2 Answers 2

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There are a couple of things wrong with your code.

To start, you cannot use variables inside single quotes. You can use them within double quotes. However I would suggest to use concatenation.

Also you have to put DOCUMENT_ROOT between single quotes because it's a key of an array (string) and not a constant. If you have error reporting enabled you should see a warning like this:

Use of undefined constant DOCUMENT_ROOT - assumed 'DOCUMENT_ROOT' (this will throw an Error in a future version of PHP) ......

Correct example:

include($_SERVER['DOCUMENT_ROOT'] . '/KungFu/php/hours.php');

Knowing the path to the file is C:\xampp\htdocs\KungFu\php\hours.php and the path to the current file is C:\xampp\htdocs\KungFu\index.php you can use dirname() instead of the $_SERVER superglobal:

include(dirname(__FILE__) . '/php/hours.php');
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12 Comments

You talk about an error, but there's no error message in your question. Please add it to your question if there is one!
"Warning: include(1): failed to open stream: No such file or directory in C:\xampp\htdocs\KungFu\index.php on line 48" thats the exact message im getting
All right, that's something we can work with! Please post the results of var_dump($_SERVER['DOCUMENT_ROOT']). With that information we can check if the path is the right one!
string(15) "C:/xampp/htdocs" this is what your code returns !
I added an example to use dirname(), please check!
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If you directory something like this.

  • app

    • index.php

    • kungfu

      • php

        • hours.php

then simple include file like this no need to add global variable

include "kungfu/php/hours.php";
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2 Comments

index.php is in KungFu folder
Then do something like this. include "php/hours.php";