Apache htaccess SetEnv: how concatenate environment variable in htaccess?

Question

I want set some environment variable like this, eg.:

SetEnv SpecialPath "%{DOCUMENT_ROOT}/dir/"

but if i print SpecialPath in path PHP, eg.:

$_SERVER['SpecialPath'];

the output is

%{DOCUMENT_ROOT}/dir/

the expected output is:

/var/www/dir/

the question is: how concatenate environment variable in htaccess?

env_module is enabled

@FrayneKonok the question is: how concatenate environment variable in htaccess... — Simone Nigro, May 22 '16 at 08:40
Did you try this?? `SetEnv SpecialPath $_SERVER['DOCUMENT_ROOT']."/dir/"` — Murad Hasan, May 22 '16 at 08:46
Check this: http://stackoverflow.com/questions/17550223/set-an-environment-variable-in-htaccess-and-retrieve-it-in-php — Murad Hasan, May 22 '16 at 08:51
Let us [continue this discussion in chat](http://chat.stackoverflow.com/rooms/112605/discussion-between-frayne-konok-and-simone-nigro). — Murad Hasan, May 22 '16 at 08:51

score 4 · Accepted Answer · answered May 22 '16 at 09:18

4

%{DOCUMENT_ROOT} variable is part of mod-rewrite so You can set env for a document root using SETenv directive, try this mod-rewrite based example :

RewriteEngine on


RewriteRule ^ - [E=SpecialPath:%{DOCUMENT_ROOT}/dir/,L]

answered May 22 '16 at 09:18

Amit Verma

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Apache htaccess SetEnv: how concatenate environment variable in htaccess?

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