PHP Environment Variables Undefined -


i having bit of trouble setting , using environment variables in php.

i have php file follows

http://localhost/site/include.php

<?php     define("env_location", "http://localhost/site/resources/addition"); ?>

which including in following file

http://localhost/site/home.php

<html>  <?php     include("include.php"); ?>  <body>     <?php          // bit works         echo env_location;          // bit works         include(env_location . "/test.php");      ?> </body>  </html>

but seems lose environment variable when try use in last file including

http://localhost/site/resources/addition/test.php

<?php     // fails     echo env_location; ?>

why file unable see environment variable? getting following error

notice: use of undefined constant env_location - assumed 'env_location' in /var/www/html/site/resources/addition/test.php on line 3 env_location

what you're doing is:

include "http://localhost/site/resources/addition/test.php";

this includes file over http. means new http request server made (your server making request itself), , new request won't have context other request. it's other independent http request coming web server, nothing shared between them.

it's

  1. madness include files on http and
  2. hopefully obvious why doesn't work expect.

you need include file locally, not url:

include "resources/addition/test.php";

probably want define constant file path, not url:

define("env_location", ___dir___);

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