Environment variables...

Hi,

I'd like to read an environment variable with PHP.
I've tried with :
exec ('echo $CONTEXTE_D_EXECUTION',$result);
$result is empty !!!

I've put the variable in /etc/environment, in /etc/profile,
in /etc/bash.bashrc but nothing worked...

Do you have any idea ?

If it is not possible, I suppose I can put a variable in php.ini ?

Thank you very much.

David.

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