Question

I would like to store the INDEX_URL constant the easiest way possible.

There is a developer site and a normal site. If there is any change on the developer site,
I would like to just copy the entire files but this constant is not the same on the 2 sites.

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I have made this test:

putenv("TEST=TEST");
var_dump(getenv('TEST')); //TEST

//putenv("TEST=TEST");
var_dump(getenv('TEST')); //false

It seems it does not store the value.

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Alternative method:

define('__INDEX_URL__',"http://".$_SERVER['SERVER_NAME']."/index.php");

Answer 1

You can save it as environment variable. Put this in .htaccess:

SetEnv INDEX_URL http://example.com/index.php

And get it in PHP:

$indexUrl = getenv('INDEX_URL');